Esqueleto:

Para inserir um objeto do formulário é só inserir este objeto no INICIO e FIM que estão destacados. São três cantos.

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   // ====================
   // INICIO
   // ====================

   // ********************
   // Aqui você insere um objeto do formulário
   // ********************
   private JButton botao_1;
   // ====================
   // FIM
   // ====================

      public JavaTeste() {
      // Formulário
 
      // Barra de título
      super("Formulario");
      // Largura e altura do Formulário
      this.setSize(400,200); // setSize(largura, altura)
      // posição da janela: esquerda e topo
      this.setLocation(50, 100); //setLocation(esquerda, topo)
 
      // Layout
      Container ct = this.getContentPane();
      ct.setLayout(null);
   // ====================
   // INICIO
   // ====================

      // ********************
      // Aqui você insere o objeto do formulário
      // ********************
      botao_1 = new JButton("Botão 1");

      // ********************
      // Aqui você coloca as coordenadas x, y, larg. e alt. do objeto do formulário
      // ********************
      botao_1.setBounds(50,10,150,25); // objeto.setBounds(esquerda, topo, largura, altura)

      // ********************
      // Aqui você adiciona o objeto ao formulário
      // ********************
      ct.add(botao_1); //Layout
   // ====================
   // FIM
   // ====================

      // Muda o ícone do Formulário
      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      // Deixa a janela visível
      this.setVisible(true);

   // ====================
   // INICIO
   // ====================

      // ********************
      // Aqui você coloca o evento do formulário
      // ********************
      botao_1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            JOptionPane.showMessageDialog(null, "Bem Vindo!");
      }});

   // ====================
   // FIM
   // ====================
      // Fechando o programa
      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});
   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   private JTextArea area_texto;

      public JavaTeste() {

      super("Formulario");
      this.setSize(200+20,200+38);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

area_texto = new JTextArea("Dimensões");

area_texto.setLineWrap(true);

JScrollPane barra_de_rolagem = new JScrollPane(area_texto); 

barra_de_rolagem.setBounds(0,0,200,200);

ct.add(barra_de_rolagem);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      // Deixa a janela visível
      this.setVisible(true);

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JTextField texto1;
private JTextField campo1;
private JTextField texto2;
private JTextField campo2;

      public JavaTeste() {

      super("Formulario");
      this.setSize(150+1+150+20,20+1+20+38);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);


texto1 = new JTextField("Dimensões");
texto1.setBounds(0,0,150,20);
ct.add(texto1);
campo1 = new JTextField("Digite seu texto");
campo1.setBounds(150+1,0,150,20);
ct.add(campo1);
texto2 = new JTextField("Dimensões");
texto2.setBounds(0,20+1,150,20);
ct.add(texto2);
campo2 = new JTextField("Digite seu texto");
campo2.setBounds(150+1,20+1,150,20);
ct.add(campo2);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      // Deixa a janela visível
      this.setVisible(true);

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JButton Nome_do_botao;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

Nome_do_botao = new JButton("Clique aqui");

Nome_do_botao.setBounds(50,10,150,25);

ct.add(Nome_do_botao);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

Nome_do_botao.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(Nome_do_botao.getText().equals("<html><font color='blue'>Teste 2</font></html>")){
Nome_do_botao.setText("<html><font color='red'>Teste 1</font></html>");
} else {
Nome_do_botao.setText("<html><font color='blue'>Teste 2</font></html>");
}
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JLabel texto;
private JButton botao1;
private JButton botao2;
private JButton botao3;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

texto = new JLabel("Teste");
texto.setBounds(0,0,150,25);
ct.add(texto);

botao1 = new JButton("Clique aqui (1)");
botao1.setBounds(0,26,150,25);
ct.add(botao1);

botao2 = new JButton("Clique aqui (2)");
botao2.setBounds(151,26,150,25);
ct.add(botao2);

botao3 = new JButton("Clique aqui (3)");
botao3.setBounds(302,26,150,25);
ct.add(botao3);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
setIconImage(Icone);

this.setVisible(true);

botao1.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent tecla) {
int codigo = tecla.getKeyCode();
if(codigo == KeyEvent.VK_ENTER){
getTexto(1);
}
}});

botao2.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent tecla) {
int codigo = tecla.getKeyCode();
if(codigo == KeyEvent.VK_ENTER){
getTexto(2);
}
}});

botao3.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent tecla) {
int codigo = tecla.getKeyCode();
if(codigo == KeyEvent.VK_ENTER){
getTexto(3);
}
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
public void getTexto(int variavel){
texto.setText("Teste: ("+variavel+")");
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JTextField Nome_do_campo;
private JLabel texto;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

Nome_do_campo = new JTextField("Digite seu texto");

Nome_do_campo.setBounds(50,10,150,20);

ct.add(Nome_do_campo);

texto = new JLabel("");
texto.setBounds(50,31,150,50);
ct.add(texto);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

Nome_do_campo.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
texto.setText("<html>" + Nome_do_campo.getText() + "</html>");
}});
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

/*
    Dicas:
    # => Usa número válido, usa Character.isDigit
    ' => Caractere de escape, usado para escape de qualquer caractere de formato especial
    U =>Qualquer caractere(Character.isLetter). Todas as letras minúsculas são transformadas em maiúsculas.
    L => Qualquer caractere(Character.isLetter). Todas as letras maiúsculas são transformadas em minúsculas.
    A => Qualquer caractere ou digito (Character.isLetter ou Character.isDigit)
    ? => Qualquer caractere
    * => Qualquer coisa
    H => Qualquer caractere hexadecima(0-9, a-f ou A-F)
*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.text.MaskFormatter;  
import java.text.ParseException; 

public class JavaTeste extends JFrame {

private JFormattedTextField telefone;//campo para telefone  
   
private JFormattedTextField data;//campo para data  

private JFormattedTextField maiusculo; // campo para maiúsculo

private JFormattedTextField minusculo; // campo para minúsculo

private JFormattedTextField numero; // campo para numero

private MaskFormatter ftmTelefone;//Atributo formatador para telefone  
      
private MaskFormatter ftmData;//Atributo formatador para data  

private MaskFormatter ftmMaiusculo; // Atributo formador de Maiúsculo

private MaskFormatter ftmMinusculo; // Atributo formador de Minusculo

private MaskFormatter ftmNumero; // Atributo formador de Numero

      public JavaTeste() {

      super("Formulario");
      this.setSize(300,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
       try{ 
       ftmTelefone = new MaskFormatter("####-####");  
       ftmData = new MaskFormatter("##/##/####");
	   ftmMaiusculo = new MaskFormatter("UUUUUUUU");
	   ftmMinusculo = new MaskFormatter("LLLLLLLL");
	   ftmNumero = new MaskFormatter("********"); 
       } catch (Exception pe) { } 

       telefone = new JFormattedTextField();
       data = new JFormattedTextField();  
       maiusculo = new JFormattedTextField();
       minusculo = new JFormattedTextField();
       numero = new JFormattedTextField();
	   
       ftmTelefone.setValidCharacters("0123456789");  
       ftmData.setValidCharacters("0123456789");
       ftmNumero.setValidCharacters(",0123456789");

       telefone.setColumns(6);
	   ftmTelefone.install(telefone);
	   
       data.setColumns(6);
       ftmData.install(data);
	   
	   maiusculo.setColumns(0);
	   ftmMaiusculo.install(maiusculo);
	   
	   minusculo.setColumns(1);
	   ftmMinusculo.install(minusculo);


	   numero.setColumns(0);
	   ftmNumero.install(numero);
	   
	   telefone.setBounds(100,15,150,20);
	   data.setBounds(100,36,150,20);
	   maiusculo.setBounds(100,57,150,20);
	   minusculo.setBounds(100,78,150,20);
	   numero.setBounds(100,99,150,20);

       ct.add(telefone);  
       ct.add(data);
	   ct.add(maiusculo);
	   ct.add(minusculo);
	   ct.add(numero);

JLabel labTelefone = new JLabel("Telefone");
JLabel labData = new JLabel("Data");
JLabel labMaiusculo = new JLabel("Maiusculo");
JLabel labMinusculo = new JLabel("Minusculo");
JLabel labNumero = new JLabel("Numero");

labTelefone.setBounds(0,15,100,20);
labData.setBounds(0,36,100,20);
labMaiusculo.setBounds(0,57,100,20);
labMinusculo.setBounds(0,78,100,20);
labNumero.setBounds(0,99,100,20);
ct.add(labTelefone);
ct.add(labData);
ct.add(labMaiusculo);
ct.add(labMinusculo);
ct.add(labNumero);

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);



      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   private JPasswordField senha;
   private JButton botao;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      senha = new JPasswordField("12345");

      senha.setBounds(50,10,150,20);

      ct.add(senha);

      botao = new JButton("Entrar");
      botao.setBounds(50,31,100,25);
      ct.add(botao);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

botao.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (new String (senha.getPassword()).equals("MinhaSenha"))
{JOptionPane.showMessageDialog(null, "Senha válida.");}
 else
{JOptionPane.showMessageDialog(null, "Senha Incorreta.");}
}});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JLabel texto;
private JButton botao;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

texto = new JLabel("Este é o meu primeiro programa");

texto.setBounds(50,10,200,20);

ct.add(texto);

botao = new JButton("Teste");
botao.setBounds(50,31,100,25);
ct.add(botao);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

botao.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(texto.getText().equals("<html><font color='blue'>Teste 2</font></html>")){
texto.setText("<html><font color='red'>Teste 1</font></html>");
} else {
texto.setText("<html><font color='blue'>Teste 2</font></html>");
}
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JLabel label;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

label = new JLabel("<html><div style='background-color:#CCFF00'>Passe o mouse aqui</div></html>");
label.setToolTipText("Texto de Ajuda");
label.setBounds(50,10,150,20);

ct.add(label);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JTextArea area_texto;
private JLabel texto;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

area_texto = new JTextArea("Digite seus comentários");

// define a quebra de linha automática
area_texto.setLineWrap(true);

JScrollPane barra_de_rolagem = new JScrollPane(area_texto);

barra_de_rolagem.setBounds(50,10,150,100);

ct.add(barra_de_rolagem);

texto = new JLabel("");
texto.setBounds(201,10,150,50);
ct.add(texto);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

area_texto.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
texto.setText("<html>" + area_texto.getText() + "</html>");
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

Executa a quebra de linha

• true para quebra de linha e
• false para não quebrar a linha

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private ButtonGroup cor;
private JRadioButton botao_1;
private JRadioButton botao_2;
private JRadioButton botao_3;
      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      cor = new ButtonGroup();

      botao_1 = new JRadioButton("Verde");
	  cor.add(botao_1);
      botao_1.setBounds(50,10,150,20);

      ct.add(botao_1);

      botao_2 = new JRadioButton("Amarelo");
	  cor.add(botao_2);
	  botao_2.setSelected(true);
      botao_2.setBounds(50,30,150,20);

	  ct.add(botao_2);

      botao_3 = new JRadioButton("Azul");
	  cor.add(botao_3);
      botao_3.setBounds(50,50,150,20);

      ct.add(botao_3);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

botao_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String botao = "";
if(botao_1.isSelected())
{botao = " botao_1";}
if(botao_2.isSelected())
{botao = " botao_2";}
if(botao_3.isSelected())
{botao = " botao_3";}
JOptionPane.showMessageDialog(null, ((JRadioButton) e.getSource()).getText() + botao);
}});

botao_2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String botao = "";
if(botao_1.isSelected())
{botao = " botao_1";}
if(botao_2.isSelected())
{botao = " botao_2";}
if(botao_3.isSelected())
{botao = " botao_3";}
JOptionPane.showMessageDialog(null, ((JRadioButton) e.getSource()).getText() + botao);
}});

botao_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String botao = "";
if(botao_1.isSelected())
{botao = " botao_1";}
if(botao_2.isSelected())
{botao = " botao_2";}
if(botao_3.isSelected())
{botao = " botao_3";}
JOptionPane.showMessageDialog(null, ((JRadioButton) e.getSource()).getText() + botao);
}});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

Seleciona um dos botões de opção:

• true para selecionado e
• false para deselecionado

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      private JCheckBox negrito;
      private JCheckBox italico;
      private JCheckBox sublinhado;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      negrito = new JCheckBox("Negrito", false);
      italico = new JCheckBox("Itálico", false);
      sublinhado = new JCheckBox("Sublinhado", true);

      negrito.setBounds(50,10,150,20);
      italico.setBounds(50,30,150,20);
      sublinhado.setBounds(50,50,150,20);

      ct.add(negrito);
      ct.add(italico);
      ct.add(sublinhado);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

negrito.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String botao = "";
if(negrito.isSelected())
{botao += " btNegrito";}
if(italico.isSelected())
{botao += " btItálico";}
if(sublinhado.isSelected())
{botao += " brSublinhado";}
JOptionPane.showMessageDialog(null, ((JCheckBox) e.getSource()).getText() + botao);
}});

italico.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String botao = "";
if(negrito.isSelected())
{botao += " Negrito";}
if(italico.isSelected())
{botao += " Itálico";}
if(sublinhado.isSelected())
{botao += " Sublinhado";}
JOptionPane.showMessageDialog(null, ((JCheckBox) e.getSource()).getText() + " = " + botao);
}});
sublinhado.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String botao = "";
if(negrito.isSelected())
{botao += " Negrito";}
if(italico.isSelected())
{botao += " Itálico";}
if(sublinhado.isSelected())
{botao += " Sublinhado";}
JOptionPane.showMessageDialog(null, ((JCheckBox) e.getSource()).getText() + " = " + botao);
}});
      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

false

Marca o botão de seleção

• true para selecionado e
• false para deselecionado

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JToggleButton botao_1;
private JToggleButton botao_2;
private JToggleButton botao_3;

private ButtonGroup botoes;

private JTextField caixa_1;
private JTextField caixa_2;
private JTextField caixa_3;

      public JavaTeste() {

      super("Formulario");
      this.setSize(340,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
botoes = new ButtonGroup();
botao_1 = new JToggleButton("Botão 1", true);
botoes.add(botao_1);
botao_1.setBounds(15, 0, 100, 25);
ct.add(botao_1);
botao_2 = new JToggleButton("Botão 2", false);
botoes.add(botao_2);
botao_2.setBounds(15, 26, 100, 25);
ct.add(botao_2);
botao_3 = new JToggleButton("Botão 3", false);
botoes.add(botao_3);
botao_3.setBounds(15, 52, 100, 25);
ct.add(botao_3);


caixa_1 = new JTextField("");
caixa_1.setEditable(false);
caixa_1.setBounds(136,0,100,25);
ct.add(caixa_1);
caixa_2 = new JTextField("");
caixa_2.setEditable(false);
caixa_2.setBounds(136,26,100,25);
ct.add(caixa_2);
caixa_3 = new JTextField("");
caixa_3.setEditable(false);
caixa_3.setBounds(136,52,100,25);
ct.add(caixa_3);

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      botao_1.addItemListener(new ItemListener() {
         public void itemStateChanged(ItemEvent e) {

            caixa_1.setText("Botão 1 = " + botao_1.isSelected());

      }});

      botao_2.addItemListener(new ItemListener() {
         public void itemStateChanged(ItemEvent e) {

            caixa_2.setText("Botão 2 = " + botao_2.isSelected());

      }});

      botao_3.addItemListener(new ItemListener() {
         public void itemStateChanged(ItemEvent e) {

            caixa_3.setText("Botão 3 = " + botao_3.isSelected());

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      private JComboBox estado;
      private JButton adicionar;
      private JButton remover;
      private JButton removerTudo;
	  private JButton resultado;

	  boolean errinho_do_java = true;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);


String Lista[] = {"Rio de Janeiro", "São Paulo", "Minas Gerais", "Espírito Santo", "Nenhuma das anteriores"}; 
      estado = new JComboBox(Lista);

      estado.setBounds(0,10,150,25);

      ct.add(estado);
	  
	  adicionar = new JButton("Adicionar");
	  adicionar.setBounds(151,10,150,25);
      ct.add(adicionar);

      remover = new JButton("Remover");
	  remover.setBounds(151,36,150,25);
      ct.add(remover);

     removerTudo = new JButton("Remover Tudo");
	 removerTudo.setBounds(151,62,150,25);
     ct.add(removerTudo);

     resultado = new JButton("Resultado");
	 resultado.setBounds(151,88,150,25);
     ct.add(resultado);

      estado.setSelectedIndex(2);

	  estado.setEditable(true);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

estado.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e) {
	if(errinho_do_java == true){
        String nome = (String)estado.getSelectedItem();
		JOptionPane.showMessageDialog(null, nome);

		errinho_do_java = false;
	} else {
		errinho_do_java = true;
	}
}});

resultado.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
        String nome = (String)estado.getSelectedItem();
		int opcao = estado.getSelectedIndex();
		int total = estado.getItemCount();
		JOptionPane.showMessageDialog(null, nome + "(" + opcao + ") total = " + total);

errinho_do_java = false;

}});

adicionar.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
estado.addItem(estado.getSelectedItem()); 

errinho_do_java = false;
}});

remover.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
		int opcao = estado.getSelectedIndex();
		estado.removeItemAt(opcao);

errinho_do_java = false;
}});

removerTudo.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
         estado.removeAllItems();

errinho_do_java = false;
}});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.event.*;
public class JavaTeste extends JFrame {

      private JList instrumento;
      private JButton adicionar;
      private JButton remover;
	  private JButton resultado;
      private DefaultListModel listModel;

	  boolean errinho_do_java = true;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      listModel = new DefaultListModel();
      listModel.addElement("Guitarra");
      listModel.addElement("Baixo");
      listModel.addElement("Teclado");
      listModel.addElement("Bateria");
      listModel.addElement("Sax");
      listModel.addElement("Sanfona");

      instrumento = new JList(listModel);

      JScrollPane barra_de_rolagem = new JScrollPane(instrumento); 

      barra_de_rolagem.setBounds(0,10,150,120);

      ct.add(barra_de_rolagem);
      
	  instrumento.setLayoutOrientation(JList.VERTICAL);
	  //JList.HORIZONTAL_WRAP
	  //JList.VERTICAL_WRAP
	  //JList.VERTICAL
      instrumento.setVisibleRowCount(0); // número de linhas do JList

      instrumento.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
      //ListSelectionModel.SINGLE_SELECTION
      //ListSelectionModel.SINGLE_INTERVAL_SELECTION
      //ListSelectionModel.MULTIPLE_INTERVAL_SELECTION

      instrumento.setSelectedIndex(2);
	  
	  adicionar = new JButton("Adicionar");
	  adicionar.setBounds(151,10,150,25);
      ct.add(adicionar);

      remover = new JButton("Remover");
	  remover.setBounds(151,36,150,25);
      ct.add(remover);

     resultado = new JButton("Resultado");
	 resultado.setBounds(151,62,150,25);
     ct.add(resultado);


      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

instrumento.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
	if(errinho_do_java == true){
        Object nome [] = instrumento.getSelectedValues();
		String x = "";
		for(int i=0; i< nome.length; i++){
		x += nome[i].toString()+"\n";
		}
		JOptionPane.showMessageDialog(null,  x);

		errinho_do_java = false;

	} else {
		errinho_do_java = true;
	}
}});

resultado.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
        Object nome [] = instrumento.getSelectedValues();
		int opcao [] = instrumento.getSelectedIndices();
		int total = listModel.getSize();
		String x = "";
		for(int i=0; i< nome.length; i++){
		x += nome[i].toString() + " (" + opcao[i] + ")\n";
		}
		x += "total = " + total;
		JOptionPane.showMessageDialog(null,  x);

		errinho_do_java = false;
}});

adicionar.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
      listModel.addElement("Novo");

	   errinho_do_java = false;
}});

remover.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
        int index = instrumento.getSelectedIndex();
        listModel.remove(index);

		errinho_do_java = false;
}});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

String Texto = JOptionPane.showInputDialog("Digite\nseu\ntexto\naqui!");

JOptionPane.showMessageDialog(null, Texto);

String[] opcoes = {"Um", "Dois","Tres","Quatro"};

Object OBJ_variavel = JOptionPane.showOptionDialog(null, "Escolha", "Titulo", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE, null, opcoes, "Tres");

int variavel = Integer.parseInt(OBJ_variavel.toString());

if(variavel==0) {
JOptionPane.showMessageDialog(null, "Um");
} else if(variavel==1) {
JOptionPane.showMessageDialog(null, "Dois");
} else if(variavel==2) {
JOptionPane.showMessageDialog(null, "Tres");
} else if(variavel==3) {
JOptionPane.showMessageDialog(null, "Quatro");
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   private JLabel Imagem_Teste;
   private JButton botao;
   boolean variavel = true;
      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      Icon img = new ImageIcon("imagem_1.jpg");
      Imagem_Teste = new JLabel(img);

      Imagem_Teste.setBounds(0, 0, img.getIconWidth(), img.getIconHeight());

      ct.add(Imagem_Teste);

      botao = new JButton("Mudando a imagem");
      botao.setBounds(150,0,150,25);
	  ct.add(botao);
	 
      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

botao.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(variavel == true) {
ImageIcon image = new ImageIcon("imagem_2.jpg");
Imagem_Teste.setIcon(image); 
variavel = false;
} else {
ImageIcon image = new ImageIcon("imagem_1.jpg");
Imagem_Teste.setIcon(image); 
variavel = true;
}
}});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

Outros Componentes Java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {
 	private JRadioButtonMenuItem coresItens[]; 	private ButtonGroup coresGrupos;  	private JRadioButtonMenuItem fontesItens[]; 	private ButtonGroup fontesGrupo;  	private JCheckBoxMenuItem EstiloItens[]; 
	public JavaTeste() {
	      	super("Usando Barra de Menu.");
      		this.setSize(400,200);
      		this.setLocation(50, 100);

		JMenuBar bar = new JMenuBar(); 		setJMenuBar(bar);  		// Barra de Menu: Arquivo 		JMenu ArquivoMenu = new JMenu("Arquivo"); 		ArquivoMenu.setMnemonic('A');  		// Item do Menu: Sobre 		JMenuItem sobreItem = new JMenuItem("Sobre..."); 		sobreItem.setMnemonic('S'); 		sobreItem.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		ArquivoMenu.add(sobreItem);  		// Item do Menu: Sair 		JMenuItem SairItem = new JMenuItem("Sair"); 		SairItem.setMnemonic('i'); 		SairItem.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					System.exit(0);
				}
			}
		);
		ArquivoMenu.add(SairItem);  		// Ativar Barra de Menu Arquivo 		bar.add(ArquivoMenu);  		// Barra de Menu: Formato 		JMenu FormatoMenu = new JMenu("Formato"); 		FormatoMenu.setMnemonic('F');  		// Menu Cores -> 		JMenu coresMenu = new JMenu("Cores"); 		coresMenu.setMnemonic('c');  		// Cores Itens 		String cores[] = {"Preto", "Azul", "Vermelho", "Verde"}; 		coresItens = new JRadioButtonMenuItem[cores.length]; 		coresGrupos = new ButtonGroup(); 		for (int i = 0; i < cores.length; i++) { 			coresItens[i] = new JRadioButtonMenuItem(cores[i]); 			coresMenu.add(coresItens[i]); 			coresGrupos.add(coresItens[i]); 		} 		coresItens[0].setSelected(true); 
		coresItens[1].addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Cor azul.");
				}
			}
		);

		FormatoMenu.add(coresMenu);  		FormatoMenu.addSeparator();  		// Menu Fonte -> 		JMenu fonteMenu = new JMenu("Fonte"); 		fonteMenu.setMnemonic('n');  		String fontes[] = {"TimesRoman", "Courier", "Helvetica"}; 		fontesItens = new JRadioButtonMenuItem[fontes.length]; 		fontesGrupo = new ButtonGroup(); 		for(int i = 0; i < fontes.length; i++) { 			fontesItens[i] = new JRadioButtonMenuItem(fontes[i]); 			fonteMenu.add(fontesItens[i]); 			fontesGrupo.add(fontesItens[i]); 		} 		fontesItens[0].setSelected(true); 
		fontesItens[2].addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Fonte Helvetica.");
				}
			}
		);


		fonteMenu.addSeparator();  		String Estilo[] = {"Negrito", "Itálico"}; 		EstiloItens = new JCheckBoxMenuItem[Estilo.length]; 		for(int i = 0; i < Estilo.length; i++) { 			EstiloItens[i] = new JCheckBoxMenuItem(Estilo[i]); 			fonteMenu.add(EstiloItens[i]); 		}  		EstiloItens[0].addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Negrito.");
				}
			}
		);

		FormatoMenu.add(fonteMenu);  		bar.add(FormatoMenu); 
      		Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      		setIconImage(Icone);

		this.setVisible(true);

      		this.addWindowListener(new WindowAdapter() {
         		public void windowClosing(WindowEvent e) {
            			System.exit(0);
      		}});
	}
   	public static void main(String[] args) {
      		new JavaTeste();
   	}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {


public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

		JMenuBar bar = new JMenuBar();
		setJMenuBar(bar);

		// Barra de Menu: Arquivo
		
		JMenu ArquivoMenu = new JMenu("Arquivo");
		ArquivoMenu.setMnemonic('A');

		// Item do Menu: Sobre
        ImageIcon icon = createImageIcon("images/About.gif");
		JMenuItem Item1 = new JMenuItem("Teste1", icon);
		Item1.setMnemonic('T');
		Item1.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		ArquivoMenu.add(Item1);

        icon = createImageIcon("images/Balloon.gif");
		JMenuItem Item2 = new JMenuItem("Teste2", icon);
		Item2.setMnemonic('T');
		Item2.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		ArquivoMenu.add(Item2);

        icon = createImageIcon("images/MsDos.gif");
		JMenuItem Item3 = new JMenuItem("Teste3", icon);
		Item3.setMnemonic('T');
		Item3.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		ArquivoMenu.add(Item3);

		// Ativar Barra de Menu Arquivo
		bar.add(ArquivoMenu);

Container ct = this.getContentPane();
ct.setLayout(null);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
setIconImage(Icone);

this.setVisible(true);

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}

    protected static ImageIcon createImageIcon(String path) {
        java.net.URL imgURL = MenuLookDemo.class.getResource(path);
        if (imgURL != null) {
            return new ImageIcon(imgURL);
        } else {
            System.err.println("Couldn't find file: " + path);
            return null;
        }
    }

public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      private JPopupMenu menu;

      public JavaTeste() {

      super("Formulario");
      this.setSize(300,300);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

	 menu = new JPopupMenu();
 
		// Item do Menu: Sobre
		JMenuItem sobreItem1 = new JMenuItem("Menu 1");
		sobreItem1.setMnemonic('1');
		sobreItem1.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		menu.add(sobreItem1);

		JMenuItem sobreItem2 = new JMenuItem("Menu 2");
		sobreItem2.setMnemonic('2');
		sobreItem2.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		menu.add(sobreItem2);

		JMenuItem sobreItem3 = new JMenuItem("Menu 3");
		sobreItem3.setMnemonic('3');
		sobreItem3.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					JOptionPane.showMessageDialog(null, "Exemplo de uso de Menus");
				}
			}
		);
		menu.add(sobreItem3);


	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      addMouseListener(new MouseAdapter() {
         public void mousePressed(MouseEvent event) {

            checkForTriggerEvent(event);

         }
	     public void mouseReleassed(MouseEvent event) {
	     
		    checkForTriggerEvent(event);
		 
		 }
		 private void checkForTriggerEvent(MouseEvent event) {
		 
		    menu.show(event.getComponent(), event.getX(), event.getY());
		 
		 }
	  });
  

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class janela1 extends JFrame {

   private JButton botao_2;
   private JButton botao_1;
   private JTextField Nome_do_campo;
   private JDialog janela2;

      public janela1() {

      super("Janela 1");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);


	  botao_1 = new JButton("Botao");

      botao_1.setBounds(50, 10, 150, 40);

      ct.add(botao_1);

      Nome_do_campo = new JTextField("Janela 1");

      Nome_do_campo.setBounds(50,60,150,25);

      ct.add(Nome_do_campo);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);


      botao_1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

			 janela2();

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});
      this.setVisible(true);
   }
      public void janela2(){       janela2 = new JDialog();
	  
      janela2.setTitle("Janela 2");
      janela2.setSize(300,300);
      janela2.setLocation(20, 400);

      Container ct2 = janela2.getContentPane();
      ct2.setLayout(null);

	  botao_2 = new JButton("Botao");
      botao_2.setBounds(50, 10, 150, 40);
      ct2.add(botao_2);


      botao_2.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

			  if(Nome_do_campo.getText().equals("2ª Janela")){
                   Nome_do_campo.setText("Janela 2");
			  } else {	    
                   Nome_do_campo.setText("2ª Janela");
			  }
              janela2.dispose();

      }});

      janela2.setModal(true);
      janela2.setVisible(true);
  }

   public static void main(String[] args) {

     new janela1();

   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {
   private JButton botao_1;


      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);


	  botao_1 = new JButton("Botao");

      botao_1.setBounds(50, 10, 150, 40);

      ct.add(botao_1);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);



      botao_1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

             tela Janela = new tela();               Janela.janelax();

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class tela extends JFrame{

  private JButton botao_2;

  public void janelax(){
      JFrame tela = new JFrame();
      tela.setTitle("Formulario2");
      tela.setSize(300,300);
      tela.setLocation(20, 400);

      Container ct2 = tela.getContentPane();
      ct2.setLayout(null);

	  botao_2 = new JButton("Botao");
      botao_2.setBounds(50, 10, 150, 40);
      ct2.add(botao_2);

      tela.setVisible(true);
      botao_2.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            // ============================
            // Comandos do Evento
            // ============================

      }});
  }
}

Arquivo: JavaTeste.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JWindow {    private JButton botao_1;

      public JavaTeste() {
      JWindow JavaTeste = new JWindow();        // o comando super não é usado em JWindow       // super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);


	  botao_1 = new JButton("Botao");

      botao_1.setBounds(50, 10, 150, 40);

      ct.add(botao_1);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);



      botao_1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            JOptionPane.showMessageDialog(null, "Saindo do JWindow");
            System.exit(0);
      }});

      // Neste caso o botão fechar não funciona
      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.event.*;

public class JavaTeste extends JFrame {

      private JDesktopPane desktop;
	  private JButton botao;
      private JInternalFrame frame;

      public JavaTeste() {

      super("Formulario");
      this.setSize(720,700);
      this.setLocation(0,0);

      Container ct = this.getContentPane();
      ct.setLayout(null);
	  
      JPanel painel1 = new JPanel();
      painel1.setBackground(Color.blue);
      painel1.setBounds(0, 0, 700, 100);
      ct.add(painel1);

      botao = new JButton("Janela Interna");
      painel1.add(botao);

      desktop = new JDesktopPane();
      desktop.setBackground(Color.red);
      desktop.setBounds(0, 101, 700, 560);
      ct.add(desktop);


for(int i=0; i<5; i++) {
// public JInternalFrame(String titulo, boolean redimensionavel, boolean fechar, boolean maximizavel, boolean iconizavel)
frame = new JInternalFrame(("Internal Frame " + i), true, true, true, true);
frame.setLocation(i*50+10, i*50+10);
frame.setSize(200, 150);
frame.setBackground(Color.white);
frame.setVisible(true);
desktop.add(frame);
frame.moveToFront();
}

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      botao.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
frame = new JInternalFrame(("Internal Frame XXX"), true, true, true, true);
frame.setLocation(60, 60);
frame.setSize(200, 150);
frame.setBackground(Color.white);
frame.setVisible(true);
desktop.add(frame);
frame.moveToFront();

      }});


      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});
   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   private JLabel Texto;

      public JavaTeste() {

      super("Formulario");
      this.setSize(200,400);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

String TextoString = "<html><div style='background-color:#CCFF00'><p></p>"+
"<h1 align='center'>Usando HTML</h1>" +
"<p align='center'>Texto em <FONT COLOR=RED>RED</FONT> e " +
"<FONT COLOR=GREEN>GREEN</FONT></p>" +
"<p align='center'><B>Negrito</B> e <I>Italico</I></p>" +
"<p><ul>" +
"<li> Exemplo 1 </li>" +
"<li> Exemplo 2 </li>" +
"<li> Exemplo 3 </li>" +
"<li> Exemplo 4 </li>" +
"</ul></p>" +
"<h1 align='center'>Usando CSS</h1>" +
"<p style='background-color:#FF0000'>Texto</p>" +
"</div></html>";

      Texto = new JLabel(TextoString);

      Texto.setBounds(1,1,200,300);

      ct.add(Texto);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

	  // ===================
	  // Evento colocado aqui!!!!
	  // ===================

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

/*
Troca a cor padrão, cada int poderá variar de 0 (preto) a
255 (branco), além da possibilidade de um objeto color,
poder ser passado as seguintes cores:
Color.orange
Color.pink
Color.cyan
Color.magenta
Color.yellow
Color.black
Color.white
Color.gray
Color.ligthGray
Color.darkGray
Color.red
Color.green
Color.blue
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      public JavaTeste() {

      super("Formulario");
      this.setSize(250,300);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
	  
      JPanel painel = new JPanel();
	  painel.setBorder(BorderFactory.createTitledBorder("Em Java"));
      painel.setBounds(0, 0, 230, 230);
      ct.add(painel);

      painel.setLayout(null);

	  JLabel label_1 = new JLabel("Tipo de Fonte");
	  label_1.setBounds(10,20,150,25);
      painel.add(label_1);      
      label_1.setFont(new Font("Courier New", 0, 14));

	  JLabel label_2 = new JLabel("Tamanho da Fonte");
	  label_2.setBounds(10,26,200,50);
      painel.add(label_2);
	  label_2.setFont(new Font("", 0, 20));

	  JLabel label_3 = new JLabel("Cor da Fonte");
	  label_3.setBounds(10,60,150,20);
      painel.add(label_3);
	  label_3.setForeground(Color.BLUE);

	  JLabel label_3rgb = new JLabel("Cor da Fonte (rgb)");
	  label_3rgb.setBounds(10,80,150,20);
      painel.add(label_3rgb);
	  // new Color(vermelho, verde, azul);
	  label_3rgb.setForeground(new Color(125, 32, 155));

	  JLabel label_4 = new JLabel("Cor de Fundo");
	  label_4.setBounds(10,100,150,20);
      painel.add(label_4);
      label_4.setOpaque(true);
      label_4.setBackground(Color.yellow);

	  JLabel label_5 = new JLabel("Negrito");
	  label_5.setBounds(10,120,150,20);
      painel.add(label_5);
      label_5.setFont(new Font("", Font.BOLD, 14));

	  JLabel label_6 = new JLabel("Itálico");
	  label_6.setBounds(10,140,150,20);
      painel.add(label_6);
      label_6.setFont(new Font("", Font.ITALIC, 14));

	  JLabel label_7 = new JLabel("Sublinhado (não tem)");
	  label_7.setBounds(10,160,150,20);
      painel.add(label_7);
	  
	  JLabel label_8 = new JLabel("Invisível");
	  label_8.setBounds(10,180,150,20);
      painel.add(label_8);
      label_8.setVisible(false);

	  JTextField caixa_2 = new JTextField("Não Editável");
	  caixa_2.setBounds(10,200,150,20);
      painel.add(caixa_2);
      caixa_2.setEditable(false);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);


      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

public JavaTeste() {

super("Formulario");
this.setSize(250,300);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

JPanel painel = new JPanel();
painel.setBorder(BorderFactory.createTitledBorder("Em Html"));
painel.setBounds(0, 0, 230, 230);
ct.add(painel);

painel.setLayout(null);

JLabel label_1 = new JLabel("<html><font face='Courier New'>Tipo de Fonte</font></html>");
label_1.setBounds(10,20,150,25);
painel.add(label_1);

JLabel label_2 = new JLabel("<html><div style='font-size: 15px'>Tamanho da Fonte</div></html>");
label_2.setBounds(10,26,200,50);
painel.add(label_2);

JLabel label_3 = new JLabel("<html><font color='blue'>Cor da Fonte</font></html>");
label_3.setBounds(10,60,150,20);
painel.add(label_3);

JLabel label_3rgb = new JLabel("<html><div style='color: rgb(125, 32, 155)'>Cor da Fonte (rgb)</div></html>");
label_3rgb.setBounds(10,80,150,20);
painel.add(label_3rgb);

JLabel label_4 = new JLabel("<html><div style='background-color: yellow'>Cor de Fundo</div></html>");
label_4.setBounds(10,100,150,20);
painel.add(label_4);

JLabel label_5 = new JLabel("<html><b>Negrito</b></html>");
label_5.setBounds(10,120,150,20);
painel.add(label_5);

JLabel label_6 = new JLabel("<html><i>Itálico</i></html>");
label_6.setBounds(10,140,150,20);
painel.add(label_6);

JLabel label_7 = new JLabel("<html><u>Sublinhado</u></html>");
label_7.setBounds(10,160,150,20);
painel.add(label_7);

JLabel label_8 = new JLabel("Invisível (não funciona)");
label_8.setBounds(10,180,150,20);
painel.add(label_8);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

     private JLabel alinhamento;
     private JButton botao_1;
     private JButton botao_2;
     private JButton botao_3;
     private JButton botao_4;
     private JButton botao_5;
     private JButton botao_6;

	 public JavaTeste() {

      super("Formulario");
      this.setSize(500,350);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
	  
     Icon img = new ImageIcon("coracao.gif");

      alinhamento = new JLabel(img);
      alinhamento.setBounds(0,0,300,300);
      ct.add(alinhamento);
      
	  botao_1 = new JButton("Horizontal: Esquerda");
      botao_1.setBounds(301,0,200,25);
      ct.add(botao_1);
	  botao_2 = new JButton("Horizontal: Centro");
      botao_2.setBounds(301,26,200,25);
      ct.add(botao_2);
	  botao_3 = new JButton("Horizontal: Direita");
      botao_3.setBounds(301,52,200,25);
      ct.add(botao_3);
 	  botao_4 = new JButton("Vertical: Topo");
      botao_4.setBounds(301,78,200,25);
      ct.add(botao_4);
 	  botao_5 = new JButton("Vertical: Centro");
      botao_5.setBounds(301,104,200,25);
      ct.add(botao_5);
	  botao_6 = new JButton("Vertical: Base");
      botao_6.setBounds(301,130,200,25);
      ct.add(botao_6);
	  
      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      botao_1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            alinhamento.setHorizontalAlignment(JLabel.LEFT);

      }});

      botao_2.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            alinhamento.setHorizontalAlignment(JLabel.CENTER);

      }});

      botao_3.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            alinhamento.setHorizontalAlignment(JLabel.RIGHT);

      }});

      botao_4.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            alinhamento.setVerticalAlignment(JLabel.TOP);

      }});

      botao_5.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            alinhamento.setVerticalAlignment(JLabel.CENTER);

      }});

      botao_6.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            alinhamento.setVerticalAlignment(JLabel.BOTTOM);

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.event.*;

public class JavaTeste extends JFrame {

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
	  
      ct.setBackground(Color.red);


      JPanel painel1 = new JPanel();
      painel1.setBackground(Color.yellow);
      painel1.setBounds(0, 0, 100, 100);
      ct.add(painel1);
	 
      JPanel painel2 = new JPanel();
      painel2.setBackground(Color.blue);
      painel2.setBounds(100, 0, 100, 100);
      ct.add(painel2);

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});
   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      public JavaTeste() {

      super("Formulario");
      this.setSize(250,250);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
      
      JPanel painel = new JPanel();
	  painel.setBorder(BorderFactory.createTitledBorder("Borda Java"));
      painel.setBounds(0, 0, 200, 200);
      ct.add(painel);

      JButton botao = new JButton("Teste");
      botao.setBounds(10,50,100,25);
	  painel.setLayout(null);
      painel.add(botao);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

	  // ===================
	  // Evento colocado aqui!!!!
	  // ===================

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {


      public JavaTeste() {

      super("Formulario");
      this.setSize(340,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      JSeparator separador_1 = new JSeparator(JSeparator.HORIZONTAL);
      separador_1.setBounds(15, 15, 300, 1);
	  ct.add(separador_1);

      JLabel texto_1 = new JLabel("Separadores");
      texto_1.setBounds(15, 15, 100, 20);
	  ct.add(texto_1);

	  JTextField caixa_1 = new JTextField("");
	  caixa_1.setBounds(15, 35, 75, 20);
	  ct.add(caixa_1);

      JSeparator separador_2 = new JSeparator(JSeparator.VERTICAL);
      separador_2.setBounds(150, 18, 1, 100);
	  ct.add(separador_2);

      JLabel texto_2 = new JLabel("Separadores");
      texto_2.setBounds(235, 15, 100, 20);
	  ct.add(texto_2);
	  
	  JTextField caixa_2 = new JTextField("");
	  caixa_2.setBounds(235, 35, 75, 20);
	  ct.add(caixa_2);

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);



      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

true - Ativa multiplos arquivos.
false - Desativa multiplos arquivos.

int res = fc.showOpenDialog(null);

res == JFileChooser.APPROVE_OPTION

JFileChooser fc = new JFileChooser("C:\\aausuarios\\meus_documentos\\web2.0");

// Filtro
ExampleFileFilter filtro1 = new ExampleFileFilter();
filtro1.addExtension("txt");
filtro1.addExtension("pdf");
filtro1.setDescription("Arquivos de Texto");
fc.setFileFilter(filtro1);

ExampleFileFilter filtro2 = new ExampleFileFilter();
filtro2.addExtension("jpg");
filtro2.setDescription("Arquivos de Imagem");
fc.setFileFilter(filtro2);

fc.setDialogTitle("Escolha o ficheiro que pretende abrir");

fc.setApproveButtonText("Selecionar");

fc.setMultiSelectionEnabled( true ); // ativar multi file selection

fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);

// JFileChooser.FILES_ONLY
// JFileChooser.DIRECTORIES_ONLY
// JFileChooser.FILES_AND_DIRECTORIES

int res = fc.showOpenDialog(null);

if(res == JFileChooser.APPROVE_OPTION){
String diretorio = fc.getSelectedFile().toString();
JOptionPane.showMessageDialog(null, "Voce escolheu o diretório:\n"+ diretorio);
} else {
JOptionPane.showMessageDialog(null, "Voce nao selecionou nenhum diretorio.");
}

 import java.io.File;  
 import java.util.Enumeration;  
 import java.util.Hashtable;  
 import javax.swing.filechooser.FileFilter;  
   
 public class ExampleFileFilter extends FileFilter  
 {  
   
     public ExampleFileFilter()  
     {  
         filters = null;  
         description = null;  
         fullDescription = null;  
         useExtensionsInDescription = true;  
         filters = new Hashtable();  
     }  
   
     public ExampleFileFilter(String s)  
     {  
         this(s, null);  
     }  
   
     public ExampleFileFilter(String s, String s1)  
     {  
         this();  
         if(s != null)  
             addExtension(s);  
         if(s1 != null)  
             setDescription(s1);  
     }  
   
     public ExampleFileFilter(String as[])  
     {  
         this(as, null);  
     }  
   
     public ExampleFileFilter(String as[], String s)  
     {  
         this();  
         for(int i = 0; i < as.length; i++)  
             addExtension(as[i]);  
   
         if(s != null)  
             setDescription(s);  
     } 
     public boolean accept(File file)  
     {  
         if(file != null)  
         {  
             if(file.isDirectory())  
                 return true;  
             String s = getExtension(file);  
             if(s != null && filters.get(getExtension(file)) != null)  
                 return true;  
         }  
         return false;  
     }  
   
     public String getExtension(File file)  
     {  
         if(file != null)  
         {  
             String s = file.getName();  
             int i = s.lastIndexOf('.');  
             if(i > 0 && i < s.length() - 1)  
                 return s.substring(i + 1).toLowerCase();  
         }  
         return null;  
     }  
   
     public void addExtension(String s)  
     {  
         if(filters == null)  
             filters = new Hashtable(5);  
         filters.put(s.toLowerCase(), this);  
         fullDescription = null;  
     }  
   
     public String getDescription()  
     {  
         if(fullDescription == null)  
             if(description == null || isExtensionListInDescription())  
             {  
                 fullDescription = description != null ? description + " (" : "(";  
                 Enumeration enumeration = filters.keys();  
                 if(enumeration != null)

         fullDescription += ")";  
             } else  
             {  
                 fullDescription = description;  
             }  
         return fullDescription;  
     }  
   
     public void setDescription(String s)  
     {  
         description = s;  
         fullDescription = null;  
     }  
   
     public void setExtensionListInDescription(boolean flag)  
     {  
         useExtensionsInDescription = flag;  
         fullDescription = null;  
     }  
   
     public boolean isExtensionListInDescription()  
     {  
         return useExtensionsInDescription;  
     }  
   
     private static String TYPE_UNKNOWN = "Type Unknown";  
     private static String HIDDEN_FILE = "Hidden File";  
     private Hashtable filters;  
     private String description;  
     private String fullDescription;  
     private boolean useExtensionsInDescription;  
   
 }

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.table.TableColumn;
import javax.swing.table.*;

public class JavaTeste extends JFrame {
private JTable TABELA;

private JButton botao_1;
private JButton botao_2;
private JButton botao_3;
private JButton botao_4;
private JButton botao_5;
private JButton botao_6;
private JButton botao_7;
private JButton botao_8;
private JButton botao_9;
private JButton botao_10;
private JButton botao_11;
private JButton botao_12;
private JButton botao_13;

boolean booleano = true;
boolean booleano2 = true;

public JavaTeste() {

super("Formulario");
this.setSize(722,380);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

TABELA = new JTable();
String jcoluna[] = { " ","Nome", "Telefone","email","Sexo"};
TABELA.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] { },
jcoluna
)
/*
// JTable não editável
{
public boolean isCellEditable(int row, int col) {
return false;
}
}
*/
);

// Adicionando os dados
javax.swing.table.DefaultTableModel dtm = (javax.swing.table.DefaultTableModel)TABELA.getModel();

dtm.addRow(new Object[]{"", "João", "235", "www@web.com","Masculino"});
dtm.addRow(new Object[]{"", "Ana", "165", "xxx@web.com","Feminino" });
dtm.addRow(new Object[]{"", "Beatriz", "792", "yyy@web.com","Feminino" });
dtm.addRow(new Object[]{"", "Gerônimo", "154", "aaa@web.com","Masculino"});
dtm.addRow(new Object[]{"", "Igor", "754", "rrr@web.com","Masculino"});
dtm.addRow(new Object[]{"", "Mateus", "782", "qqq@web.com","Masculino"});
dtm.addRow(new Object[]{"", "Francisco", "245", "ccc@web.com","Masculino"});
dtm.addRow(new Object[]{"", "Thiago", "348", "jjj@web.com","Masculino"});
dtm.addRow(new Object[]{"", "Antônio", "954", "uuu@web.com","Masculino"});

// Ordenando tabelas
RowSorter<TableModel> sorter = new TableRowSorter<TableModel>(dtm);
TABELA.setRowSorter(sorter);

// inserindo caixa de combos na tabela
TableColumn sportColumn = TABELA.getColumnModel().getColumn(2);

JComboBox comboBox = new JComboBox();
comboBox.addItem("menu 1");
comboBox.addItem("menu 2");
comboBox.addItem("menu 3");
comboBox.addItem("menu 4");
comboBox.addItem("menu 5");
sportColumn.setCellEditor(new DefaultCellEditor(comboBox));

// Inserindo barras de rolagens na tabela
JScrollPane barra_de_rolagem = new JScrollPane(TABELA);

barra_de_rolagem.setBounds(0,0,500,340);

ct.add(barra_de_rolagem);

botao_1 = new JButton("Adicionar linha");

botao_1.setBounds(501, 0, 200, 25);

ct.add(botao_1);

botao_2 = new JButton("Remover linha");

botao_2.setBounds(501, 26, 200, 25);

ct.add(botao_2);

botao_3 = new JButton("Editar celula");

botao_3.setBounds(501, 52, 200, 25);

ct.add(botao_3);

botao_4 = new JButton("Ler celula");

botao_4.setBounds(501, 78, 200, 25);

ct.add(botao_4);

botao_5 = new JButton("Esticar Tabela");

botao_5.setBounds(501, 104, 200, 25);

ct.add(botao_5);

botao_6 = new JButton("Almentar a altura das linhas");

botao_6.setBounds(501, 130, 200, 25);

ct.add(botao_6);

botao_7 = new JButton("almentar a largura da coluna");

botao_7.setBounds(501, 158, 200, 25);

ct.add(botao_7);

botao_8 = new JButton("Número de linhas");

botao_8.setBounds(501, 184, 200, 25);

ct.add(botao_8);

botao_9 = new JButton("Número de colunas");

botao_9.setBounds(501, 210, 200, 25);

ct.add(botao_9);

botao_10 = new JButton("Nome da coluna");

botao_10.setBounds(501, 236, 200, 25);

ct.add(botao_10);

botao_11 = new JButton("Linhas Selecionadas");

botao_11.setBounds(501, 262, 200, 25);

ct.add(botao_11);

botao_12 = new JButton("Mudando a fonte com o html");

botao_12.setBounds(501, 288, 200, 25);

ct.add(botao_12);

botao_13 = new JButton("Ocultar coluna");

botao_13.setBounds(501, 314, 200, 25);

ct.add(botao_13);

this.setVisible(true);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

botao_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Adicionar linha
javax.swing.table.DefaultTableModel dtm = (javax.swing.table.DefaultTableModel)TABELA.getModel();

dtm.addRow(new Object[]{"","","","",""});

}});

botao_2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Remover linha
javax.swing.table.DefaultTableModel dtm = (javax.swing.table.DefaultTableModel)TABELA.getModel();

int [] linhaSelecionada = TABELA.getSelectedRows();

try {
for(int i = (linhaSelecionada.length-1); i >= 0; --i) {
dtm.removeRow(linhaSelecionada[i]);//remove todas as linhas selecionadas
}
} catch (ArrayIndexOutOfBoundsException s) {
JOptionPane.showMessageDialog(null, "Você não selecionou nenhuma linha.");
}

}});

botao_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Editar celula
Object Valor = JOptionPane.showInputDialog("Edite um texto na Linha 3 Coluna 4");
TABELA.setValueAt(Valor,2,3);// setValueAt(linha, coluna)

}});

botao_4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Ler celula
String texto = TABELA.getValueAt(2,3).toString(); // getValueAt(linha, coluna)
JOptionPane.showMessageDialog(null, "Lendo o texto na Linha 3 Coluna 4\n"+texto);

}});

botao_5.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Esticar tabela

// modulo de esticamento da coluna
if(booleano == true) {
// Com esticamento
TABELA.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

// almentar a largura de uma das coluna
TABELA.getColumnModel().getColumn(1).setPreferredWidth(300);

booleano = false;
} else {
// Sem esticamento
TABELA.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
booleano = true;
}

}});

botao_6.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// almentar a altura de todas as linha da tabela

String altura = JOptionPane.showInputDialog("Digite um número\npara a altura de todas as linha\n da tabela:");
TABELA.setRowHeight(Integer.parseInt(altura));

}});

botao_7.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// almentar a largura de uma das coluna
String largura = JOptionPane.showInputDialog("Digite um número\npara a largura da coluna (1)\n da tabela:");

TABELA.getColumnModel().getColumn(1).setPreferredWidth(Integer.parseInt(largura));

TABELA.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
booleano = false;

}});

botao_8.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Número de linhas
int Numero_de_linhas = TABELA.getRowCount();
JOptionPane.showMessageDialog(null, "Número de linhas " + Numero_de_linhas);

}});

botao_9.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Número de colunas
int Numero_de_colunas = TABELA.getColumnCount();
JOptionPane.showMessageDialog(null, "Número de colunas " + Numero_de_colunas);

}});

botao_10.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Nome da coluna
String coluna = TABELA.getColumnName(3).toString();
JOptionPane.showMessageDialog(null, "Nome da coluna " + coluna);

}});

botao_11.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Linhas Selecionadas

javax.swing.table.DefaultTableModel dtm = (javax.swing.table.DefaultTableModel)TABELA.getModel();

int [] linhaSelecionada = TABELA.getSelectedRows();
String lTeste = "";

for(int i = (linhaSelecionada.length-1); i >= 0; --i) {
lTeste += linhaSelecionada[i]+" ";
}
JOptionPane.showMessageDialog(null, "Linhas Selecionadas " + lTeste);
}});

botao_12.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

// Mudando a fonte com o html
// Cor da fonte: <html><font color="#ff0000">Teste</font></html>

// Cor de fundo: <html><span style="background-color:00ff00">Teste</span></html>

// Quebrando a linha: <html>Teste<br>Teste</html>

String fonte = JOptionPane.showInputDialog("Mudando a fonte com o html\nCor da fonte: <html><font color=\"#ff0000\">Teste</font></html>\nCor de fundo: <html><span style=\"background-color:#00ff00\">Teste</span></html>\nQuebrando a linha: <html>Teste<br>Teste</html>");
TABELA.setValueAt(fonte,2,3);

}});

botao_13.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (booleano2 == true) {
TABELA.getColumnModel().getColumn(1).setMinWidth(0);
TABELA.getColumnModel().getColumn(1).setMaxWidth(0);
booleano2 = false;
} else {
TABELA.getColumnModel().getColumn(1).setMinWidth(30);
TABELA.getColumnModel().getColumn(1).setMaxWidth(1000);
TABELA.getColumnModel().getColumn(1).setPreferredWidth(50);
booleano2 = true;
}
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      private JTabbedPane tablet;
	  private JButton remover;
	  private JButton adicionar;
      private JButton bloquear;

      public JavaTeste() {

      super("Formulario");
      this.setSize(620,400);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

	  ImageIcon icon = new ImageIcon("Duke16.gif");
	  
	  tablet = new JTabbedPane(JTabbedPane.TOP);

      tablet.setBounds(0,0,500,360);

JPanel jp = new JPanel();
jp.setLayout(null);
JLabel teste1 = new JLabel("Primeira aba e label");
teste1.setBounds(0,0,130,20);
jp.add(teste1);
JTextField teste2 = new JTextField("JTextField parrudo");
teste2.setBounds(131,0,150,25);
jp.add(teste2);
JLabel teste3 = new JLabel("Primeira aba e label2");
teste3.setBounds(0,26,130,20);
jp.add(teste3);
JTextField teste4 = new JTextField("JTextField parrudo2");
teste4.setBounds(131,26,150,25);
jp.add(teste4);

        tablet.addTab("Tab #1", icon, jp, "Comentários #1");



jp = new JPanel();
jp.setLayout(null);
JLabel teste5 = new JLabel("Segunda aba e label");
teste5.setBounds(0,0,130,20);
jp.add(teste5);
JTextField teste6 = new JTextField("JTextField parrudo na segunda aba");
teste6.setBounds(131,0,150,25);
jp.add(teste6);
JLabel teste7 = new JLabel("Segunda aba e label2");
teste7.setBounds(0,26,130,20);
jp.add(teste7);
JTextField teste8 = new JTextField("JTextField parrudo2 na segunda aba");
teste8.setBounds(131,26,150,25);
jp.add(teste8);

        tablet.addTab("Tab #2", icon, jp, "Comentários #2");

      ct.add(tablet);

remover = new JButton("Remover");
remover.setBounds(501,0,100,25);
ct.add(remover);

adicionar = new JButton("Adicionar");
adicionar.setBounds(501,26,100,25);
ct.add(adicionar);

bloquear = new JButton("Bloquear");
bloquear.setBounds(501,52,100,25);
ct.add(bloquear);

	  
	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      remover.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            tablet.remove(0);

      }});
	  
      adicionar.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

ImageIcon icon = new ImageIcon("Duke16.gif");

JPanel jp = new JPanel();
jp.setLayout(null);
JLabel teste5 = new JLabel("aba nova");
teste5.setBounds(0,0,130,20);
jp.add(teste5);
JTextField teste6 = new JTextField("JTextField novo");
teste6.setBounds(131,0,150,25);
jp.add(teste6);
JLabel teste7 = new JLabel("aba nova");
teste7.setBounds(0,26,130,20);
jp.add(teste7);
JTextField teste8 = new JTextField("JTextField novo");
teste8.setBounds(131,26,150,25);
jp.add(teste8);

        tablet.addTab("Tab #X", icon, jp, "Comentários #X");

      }});

      bloquear.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            String numero = JOptionPane.showInputDialog("É impossível deixar uma aba invisível,\nmas podemos bloquear uma aba.\nDigite um número:");
			String[] opcoes = {"Ativo", "Desativo"};
			Object OBJ_variavel = JOptionPane.showOptionDialog(null, "Opções:", "Bloqueio", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE, null, opcoes, "Desativo");
            int variavel = Integer.parseInt(OBJ_variavel.toString());
			
			if(variavel==0) {
			tablet.setEnabledAt(Integer.parseInt(numero), true);
			} else if(variavel==1) {
			tablet.setEnabledAt(Integer.parseInt(numero), false);
			}

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 


/*
 * TabComponentDemo.java requires one additional file:
 *   ButtonTabComponent.java
 */



import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

/*
 * Creating and using TabComponentsDemo example  
 */ 
public class TabComponentsDemo extends JFrame {    

    private final int tabNumber = 5;
    private final JTabbedPane pane = new JTabbedPane();
    private JMenuItem tabComponentsItem;
    private JMenuItem scrollLayoutItem;
    
    public static void main(String[] args) {
        //Schedule a job for the event dispatch thread:
        //creating and showing this application's GUI.
        SwingUtilities.invokeLater(new Runnable(){
            public void run(){
                //Turn off metal's use of bold fonts
	        UIManager.put("swing.boldMetal", Boolean.FALSE);
                new TabComponentsDemo("TabComponentsDemo").runTest();
            }
        });
    }
    
    public TabComponentsDemo(String title) {
        super(title);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        initMenu();        
        add(pane);        
    }
    
    public void runTest() {
        pane.removeAll();
        for (int i = 0; i < tabNumber; i++) {
            String title = "Tab " + i;
            pane.add(title, new JLabel(title));
            initTabComponent(i);
        }
        tabComponentsItem.setSelected(true);
        pane.setTabLayoutPolicy(JTabbedPane.WRAP_TAB_LAYOUT);
        scrollLayoutItem.setSelected(false);
        setSize(new Dimension(400, 200));
        setLocationRelativeTo(null);
        setVisible(true);
    }
    
    
    private void initTabComponent(int i) {
        pane.setTabComponentAt(i,
                 new ButtonTabComponent(pane));
    }    

    //Setting menu
    
    private void initMenu() {
        JMenuBar menuBar = new JMenuBar();
        //create Options menu
        tabComponentsItem = new JCheckBoxMenuItem("Use TabComponents", true);
        tabComponentsItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, InputEvent.ALT_MASK));
        tabComponentsItem.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                for (int i = 0; i < pane.getTabCount(); i++) {
                    if (tabComponentsItem.isSelected()) {
                        initTabComponent(i);
                    } else {
                        pane.setTabComponentAt(i, null);
                    }
                }
            }
        });
        scrollLayoutItem = new JCheckBoxMenuItem("Set ScrollLayout");
        scrollLayoutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.ALT_MASK));
        scrollLayoutItem.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (pane.getTabLayoutPolicy() == JTabbedPane.WRAP_TAB_LAYOUT) {
                    pane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
                } else {
                    pane.setTabLayoutPolicy(JTabbedPane.WRAP_TAB_LAYOUT);
                }
            }
        });
        JMenuItem resetItem = new JMenuItem("Reset JTabbedPane");
        resetItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.ALT_MASK));
        resetItem.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                runTest();
            }
        });
       
        JMenu optionsMenu = new JMenu("Options");
        optionsMenu.add(tabComponentsItem);
        optionsMenu.add(scrollLayoutItem);
        optionsMenu.add(resetItem);
        menuBar.add(optionsMenu);
        setJMenuBar(menuBar);
    }
}

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 


import javax.swing.*;
import javax.swing.*;
import javax.swing.plaf.basic.BasicButtonUI;
import java.awt.*;
import java.awt.event.*;

/**
 * Component to be used as tabComponent;
 * Contains a JLabel to show the text and 
 * a JButton to close the tab it belongs to 
 */ 
public class ButtonTabComponent extends JPanel {
    private final JTabbedPane pane;

    public ButtonTabComponent(final JTabbedPane pane) {
        //unset default FlowLayout' gaps
        super(new FlowLayout(FlowLayout.LEFT, 0, 0));
        if (pane == null) {
            throw new NullPointerException("TabbedPane is null");
        }
        this.pane = pane;
        setOpaque(false);
        
        //make JLabel read titles from JTabbedPane
        JLabel label = new JLabel() {
            public String getText() {
                int i = pane.indexOfTabComponent(ButtonTabComponent.this);
                if (i != -1) {
                    return pane.getTitleAt(i);
                }
                return null;
            }
        };
        
        add(label);
        //add more space between the label and the button
        label.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 5));
        //tab button
        JButton button = new TabButton();
        add(button);
        //add more space to the top of the component
        setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));
    }

    private class TabButton extends JButton implements ActionListener {
        public TabButton() {
            int size = 17;
            setPreferredSize(new Dimension(size, size));
            setToolTipText("close this tab");
            //Make the button looks the same for all Laf's
            setUI(new BasicButtonUI());
            //Make it transparent
            setContentAreaFilled(false);
            //No need to be focusable
            setFocusable(false);
            setBorder(BorderFactory.createEtchedBorder());
            setBorderPainted(false);
            //Making nice rollover effect
            //we use the same listener for all buttons
            addMouseListener(buttonMouseListener);
            setRolloverEnabled(true);
            //Close the proper tab by clicking the button
            addActionListener(this);
        }

        public void actionPerformed(ActionEvent e) {
            int i = pane.indexOfTabComponent(ButtonTabComponent.this);
            if (i != -1) {
                pane.remove(i);
            }
        }

        //we don't want to update UI for this button
        public void updateUI() {
        }

        //paint the cross
        protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            Graphics2D g2 = (Graphics2D) g.create();
            //shift the image for pressed buttons
            if (getModel().isPressed()) {
                g2.translate(1, 1);
            }
            g2.setStroke(new BasicStroke(2));
            g2.setColor(Color.BLACK);
            if (getModel().isRollover()) {
                g2.setColor(Color.RED);
            }

   int x = 1;   
   int y = 1;   

   int y_p=y+2;   
   g2.drawLine(x+1, y_p, x+12, y_p);   
   g2.drawLine(x+1, y_p+13, x+12, y_p+13);   
   g2.drawLine(x, y_p+1, x, y_p+12);   
   g2.drawLine(x+13, y_p+1, x+13, y_p+12);   
   g2.drawLine(x+3, y_p+3, x+10, y_p+10);   
   g2.drawLine(x+3, y_p+4, x+9, y_p+10);   
   g2.drawLine(x+4, y_p+3, x+10, y_p+9);   
   g2.drawLine(x+10, y_p+3, x+3, y_p+10);   
   g2.drawLine(x+10, y_p+4, x+4, y_p+10);   
   g2.drawLine(x+9, y_p+3, x+3, y_p+9);   

            g2.dispose();
        }
    }

    private final static MouseListener buttonMouseListener = new MouseAdapter() {
        public void mouseEntered(MouseEvent e) {
            Component component = e.getComponent();
            if (component instanceof AbstractButton) {
                AbstractButton button = (AbstractButton) component;
                button.setBorderPainted(true);
            }
        }

        public void mouseExited(MouseEvent e) {
            Component component = e.getComponent();
            if (component instanceof AbstractButton) {
                AbstractButton button = (AbstractButton) component;
                button.setBorderPainted(false);
            }
        }
    };
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   private JButton botao_de_teste;
   private JButton botao_ocultar;
   private JToolBar barra_de_tarefas;
   boolean visivel = true;
      public JavaTeste() {

      super("Formulario");
      this.setSize(600,600);
      this.setLocation(50, 100);

      barra_de_tarefas = new JToolBar();

	  Icon icone = new ImageIcon("icones/MsDos.gif");
      JButton botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);
	  icone = new ImageIcon("icones/About.gif");
      botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);
	  icone = new ImageIcon("icones/Balloon.gif");
      botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);
	  
	  barra_de_tarefas.add(new JToolBar.Separator());
	  
	  icone = new ImageIcon("icones/Battery.gif");
      botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);
	  icone = new ImageIcon("icones/Diskmap.gif");
      botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);
	  icone = new ImageIcon("icones/Duke16.gif");
      botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);
	  icone = new ImageIcon("icones/Printer.gif");
      botao_X = new JButton(icone);
      barra_de_tarefas.add(botao_X);


      Container componente = this.getContentPane();
      componente.add(barra_de_tarefas, BorderLayout.NORTH);

      JPanel painel = new JPanel();
      painel.setBackground(Color.blue);
      componente.add(painel, BorderLayout.CENTER);

	  painel.setLayout(null);

      botao_de_teste = new JButton("Clique Aqui!");
	  botao_de_teste.setBounds(0,0,100,25);
	  painel.add(botao_de_teste);

	  botao_ocultar = new JButton("Ocultar");
	  botao_ocultar.setBounds(0,26,100,25);
	  painel.add(botao_ocultar);
	  
      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      botao_de_teste.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

            JOptionPane.showMessageDialog(null, "Testando os a barra de botões!");

      }});

      botao_ocultar.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            if(visivel == true) {
			barra_de_tarefas.setVisible(false);
			botao_ocultar.setText("Exibir");
			visivel = false;
			} else {
			barra_de_tarefas.setVisible(true);
			botao_ocultar.setText("Ocultar");
			visivel = true;
            }

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      public JavaTeste() {

      super("Formulario");
      this.setSize(600,600);
      this.setLocation(50, 100);
      Container ct = this.getContentPane();
      ct.setLayout(null);

      JTextArea area_texto_1 = new JTextArea("Digite seus comentários - PARTE 1");
      area_texto_1.setLineWrap(true);
      JScrollPane barra_de_rolagem_1 = new JScrollPane(area_texto_1);

      JTextArea area_texto_2 = new JTextArea("Digite seus comentários - PARTE 2");
      area_texto_2.setLineWrap(true);
      JScrollPane barra_de_rolagem_2 = new JScrollPane(area_texto_2);

      JTextArea area_texto_3 = new JTextArea("Digite seus comentários - PARTE 3");
      area_texto_3.setLineWrap(true);
      JScrollPane barra_de_rolagem_3 = new JScrollPane(area_texto_3);

     JSplitPane splitPane_1 = new JSplitPane(JSplitPane.VERTICAL_SPLIT,
                                              barra_de_rolagem_1,
                                              barra_de_rolagem_2);


     splitPane_1.setDividerLocation(250);

     JSplitPane splitPane_2 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,
                                              splitPane_1,
                                              barra_de_rolagem_3);

     splitPane_2.setDividerLocation(250);

     splitPane_2.setBounds(0,0,500,500);
	 
     barra_de_rolagem_1.setMinimumSize(new Dimension(100, 100));
     barra_de_rolagem_2.setMinimumSize(new Dimension(100, 100));
     barra_de_rolagem_3.setMinimumSize(new Dimension(100, 100));

     ct.add(splitPane_2);
	  
      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);


      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.event.*;

public class JavaTeste extends JFrame {

      private JTextField caixa;
      private JSlider cDeslizante;
      int valor;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,100);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      caixa = new JTextField("0");
	  caixa.setEditable(false);
      caixa.setBounds(251,0,50,25);
      ct.add(caixa);
    
    cDeslizante = new JSlider(JSlider.HORIZONTAL);

    cDeslizante.setMinimum(0);
    cDeslizante.setMaximum(10);
    cDeslizante.setValue(0);
    
    cDeslizante.setMajorTickSpacing(2);
    cDeslizante.setMinorTickSpacing(1);
    cDeslizante.setPaintTicks(true);
    cDeslizante.setPaintLabels(true);
    cDeslizante.setSnapToTicks(true);
    
	cDeslizante.setBounds(0,0,250,50);
	ct.add(cDeslizante);



	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

    cDeslizante.addChangeListener(
      new ChangeListener(){
        public void stateChanged(ChangeEvent e) {
          JSlider comp = (JSlider) e.getSource();
          
          if(!comp.getValueIsAdjusting())
            valor = comp.getValue();
            caixa.setText((new Integer(valor)).toString());
        }
      }
    );

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.event.*;

public class JavaTeste extends JFrame {

      private JProgressBar oProgress;
	  private JButton botao;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

         oProgress = new JProgressBar() ;     
         oProgress.setValue(0);     
         oProgress.setStringPainted(true);     
         oProgress.setBounds(10,30,320,20);
         ct.add(oProgress);

         botao = new JButton("Start");
		 botao.setBounds(10,51,100, 25);
		 ct.add(botao);

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);



      botao.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

 Rectangle progressRect = oProgress.getBounds();   
 progressRect.x = 0;   
 progressRect.y = 0;   
 oProgress.setValue(0);   
 oProgress.setMinimum(0);   
 oProgress.setMaximum(100);   
 for(int i=0 ; i <= 100 ; i++){   
	 try {Thread.sleep(100);} catch (InterruptedException ignore) {}
     oProgress.setValue(i); 
     oProgress.paintImmediately( progressRect );   
 } 
      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});
   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      private JScrollBar barra;
      private JTextField caixa;
      int valor;
      public JavaTeste() {

      super("Formulario");
      this.setSize(300,150);
      this.setLocation(50, 100);
      Container ct = this.getContentPane();
      ct.setLayout(null);

      barra = new JScrollBar(JScrollBar.HORIZONTAL);
	  barra.setMinimum(0);  
      barra.setMaximum(100);
	  barra.setValue(0);
	  barra.setBounds(15, 15, 200, 20);
	  ct.add(barra);
	  
	  caixa = new JTextField("0");
	  caixa.setEditable(false);
      caixa.setBounds(216,15,50,20);
      ct.add(caixa);
	  
      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

    barra.addAdjustmentListener(
      new AdjustmentListener(){
        public void adjustmentValueChanged(AdjustmentEvent e) {
          JScrollBar comp = (JScrollBar) e.getSource();
          
          if(!comp.getValueIsAdjusting())
            valor = comp.getValue();
            caixa.setText((new Integer(valor)).toString());
        }
      }
    );


      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      public JavaTeste() {

      super("Formulario");
      this.setSize(250,250);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);
      
	  Icon img = new ImageIcon("original.gif");
      JLabel Imagem_Teste = new JLabel(img);

      JScrollPane barra_de_rolagem = new JScrollPane(Imagem_Teste); 

      barra_de_rolagem.setBounds(0,0,200,200);

      ct.add(barra_de_rolagem);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

	  // ===================
	  // Evento colocado aqui!!!!
	  // ===================

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.text.DefaultFormatter;

public class JavaTeste extends JFrame {

      private JSpinner spinner;
	  private SpinnerModel model;
      private JButton botao;
      private JButton valor;

      public JavaTeste() {

      super("Formulario");
      this.setSize(300,100);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

 int min=0;  
 int max=30;  
 int step=1;  
 int initValue=0;  
 model=new SpinnerNumberModel(initValue, min, max, step);  
 spinner=new JSpinner(model);

JSpinner.DefaultEditor editor = (JSpinner.NumberEditor)spinner.getEditor();       
DefaultFormatter formatter = (DefaultFormatter)editor.getTextField().getFormatter();  
formatter.setAllowsInvalid(false); 

 spinner.setBounds(0,0,50,25);
 ct.add(spinner);


      botao = new JButton("Resultado");
      botao.setBounds(51,0,100,25);
      ct.add(botao);

      valor = new JButton("Valor = 30");
      valor.setBounds(151,0,100,25);
      ct.add(valor);


	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      botao.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

		     Object modelo = model.getValue(); 
             String Texto = modelo.toString();
             JOptionPane.showMessageDialog(null, Texto);
      }});

      valor.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            model.setValue(30);
      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

   private JButton botao_1;
   private JTextField caixa;

      public JavaTeste() {

      super("Formulario");
      this.setSize(400,200);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      botao_1 = new JButton("Clique aqui");

      botao_1.setBounds(50,10,150,25);

      ct.add(botao_1);

      caixa = new JTextField("");
	  caixa.setBounds(50,50,300,20);
	  caixa.setEditable(false);
	  ct.add(caixa);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);

      botao_1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {

Color bgColor = JColorChooser.showDialog(JavaTeste.this, "Alterando a cor do botão.", botao_1.getBackground());
if (bgColor != null)
botao_1.setBackground(bgColor);

String x_bgColor = ""+bgColor;
caixa.setText(x_bgColor);
      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste {

public static void main(String[] args) throws AWTException {

//Obtem o SystemTray da plataforma
SystemTray tray = SystemTray.getSystemTray();

//Cria um menu Popup para o trayIcon
PopupMenu popupMenu = new PopupMenu();
MenuItem menuItem = new MenuItem("Sobre");

menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

JOptionPane.showMessageDialog(null,"Exemplo de um SystemTray no Java 6.", "Sobre", JOptionPane.INFORMATION_MESSAGE);

}});

popupMenu.add(menuItem);
popupMenu.add(new MenuItem("-"));
menuItem = new MenuItem("Exit");

menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

int opt = JOptionPane.showConfirmDialog(null, "Confirma sair ?", "Sair", JOptionPane.YES_NO_OPTION);
if (opt == JOptionPane.OK_OPTION) {
System.exit(0);
}

}});

popupMenu.add(menuItem);

//Cria o tryIcon
Image imageIcon = new ImageIcon("Duke16.gif").getImage();
TrayIcon trayIcon = new TrayIcon(imageIcon, "TryIcon Java 6?", popupMenu);

tray.add(trayIcon);

trayIcon.addMouseListener(
  new MouseAdapter(){
    public void mouseClicked(MouseEvent e){
      if(e.getClickCount() == 2) {
        // Duplo-clique detectado
        JOptionPane.showMessageDialog(null, "Bem Vindo!");
      } else {
        // Clique simples detectado.
      }
}});
}

}

import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ErrorBallon implements ActionListener
{
	private TrayIcon trayIcon;
	
	public ErrorBallon(TrayIcon trayIcon)
	{
		this.trayIcon = trayIcon;
	}
	
	@Override
	public void actionPerformed(ActionEvent e)
	{
		trayIcon.displayMessage("Error Ballon",
				"Mensagem de erro", TrayIcon.MessageType.ERROR);
	}
}

import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class InfoBallon implements ActionListener
{
	private TrayIcon trayIcon;
	
	public InfoBallon(TrayIcon trayIcon)
	{
		this.trayIcon = trayIcon;
	}
	
	@Override
	public void actionPerformed(ActionEvent e)
	{
		trayIcon.displayMessage("Info Ballon",
				"Alguma informação", TrayIcon.MessageType.INFO);
	}
}

import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class SimpleBallon implements ActionListener
{
	private TrayIcon trayIcon;
	
	public SimpleBallon(TrayIcon trayIcon)
	{
		this.trayIcon = trayIcon;
	}
	
	@Override
	public void actionPerformed(ActionEvent e)
	{
		trayIcon.displayMessage("Simple Ballon",
				"Alguma informação", TrayIcon.MessageType.NONE);
	}
}

import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class WarningBallon implements ActionListener
{
	private TrayIcon trayIcon;
	
	public WarningBallon(TrayIcon trayIcon)
	{
		this.trayIcon = trayIcon;
	}
	
	@Override
	public void actionPerformed(ActionEvent e)
	{
		trayIcon.displayMessage("Warning Ballon",
				"Aviso! Aviso!", TrayIcon.MessageType.WARNING);
	}
}

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ExitListener implements ActionListener
{
	@Override
	public void actionPerformed(ActionEvent e)
	{
		System.exit(0);
	}
}

import java.awt.AWTException;
import java.awt.Image;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.net.URL;

import javax.swing.ImageIcon;

public class TesteBallonTips
{
	private TrayIcon trayIcon;

	public TesteBallonTips()
	{
		if (SystemTray.isSupported())
		{
			SystemTray tray = SystemTray.getSystemTray();
			Image image = this.createImage("resources/star.png", "Icone do Tray");
			trayIcon = new TrayIcon(image, "BallonTips");

			PopupMenu popup = new PopupMenu();
			
			MenuItem infoBalaoItem = new MenuItem("Balão de informação");
			infoBalaoItem.addActionListener(new InfoBallon(trayIcon));
			
			MenuItem errorBalaoItem = new MenuItem("Balão de erro");
			errorBalaoItem.addActionListener(new ErrorBallon(trayIcon));
			
			MenuItem warningBalaoItem = new MenuItem("Balão de aviso");
			warningBalaoItem.addActionListener(new WarningBallon(trayIcon));
			
			MenuItem simpleBalaoItem = new MenuItem("Balão simples");
			simpleBalaoItem.addActionListener(new SimpleBallon(trayIcon));
			
			MenuItem sairItem = new MenuItem("Sair");
			sairItem.addActionListener(new ExitListener());
			
			popup.add(infoBalaoItem);
			popup.add(errorBalaoItem);
			popup.add(warningBalaoItem);
			popup.add(simpleBalaoItem);
			popup.add(sairItem);

			trayIcon.setImageAutoSize(true);
			trayIcon.setPopupMenu(popup);
			
			try
			{
				tray.add(trayIcon);
			}
			catch (AWTException e)
			{
				e.printStackTrace();
			}
		}
		else
		{
			System.err.println("System tray não é suportado pelo SO.");
		}
	}

	private Image createImage(String path, String description)
	{
		URL imageURL = this.getClass().getResource(path);

		if (imageURL == null)
		{
			System.err.println("Imagem não encontrada: " + path);
			return null;
		}
		else
		{
			return (new ImageIcon(imageURL, description)).getImage();
		}
	}

	public static void main(String[] args)
	{
		new TesteBallonTips();
	}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {
// ===========================
// The LookAndFeel
// ===========================
private UIManager.LookAndFeelInfo[] looks;
private JRadioButton[] escolha;
private ButtonGroup grupo;
// ===========================
// And LookAndFeel
// ===========================

      public JavaTeste() {

      super("Formulario");
      this.setSize(340,540);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

JLabel lb_1 = new JLabel("Nome:");
lb_1.setBounds(0,0,100,20);
ct.add(lb_1);

JTextField tf_1 = new JTextField("");
tf_1.setBounds(55,0,100,20);
ct.add(tf_1);

JLabel lb_2 = new JLabel("E-mail:");
lb_2.setBounds(0,21,100,20);
ct.add(lb_2);

JTextField tf_2 = new JTextField("");
tf_2.setBounds(55,21,100,20);
ct.add(tf_2);

JLabel lb_3 = new JLabel("Assunto:");
lb_3.setBounds(0,42,100,20);
ct.add(lb_3);

JTextField tf_3 = new JTextField("");
tf_3.setBounds(55,42,100,20);
ct.add(tf_3);

JButton bt_1 = new JButton("Enviar");
bt_1.setBounds(0,63,100,25);
ct.add(bt_1);

JButton bt_2 = new JButton("Limpar");
bt_2.setBounds(101,63,100,25);
ct.add(bt_2);

JLabel lb_4 = new JLabel("Mensagem");
lb_4.setBounds(0,89,100,20);
ct.add(lb_4);

JTextArea at_1 = new JTextArea("Digite seus comentários \n \n \n \n \n \n \n \n \n \n");
at_1.setLineWrap(true);
JScrollPane br_1 = new JScrollPane(at_1); 
br_1.setBounds(0,110,200,100);
ct.add(br_1);


String Lista[] = {"Estados", "Rio de Janeiro", "São Paulo", "Minas Gerais", "Espírito Santo", "Nenhuma das anteriores"};
JComboBox estado = new JComboBox(Lista);
estado.setBounds(0,211,150,25);
ct.add(estado);

JSlider cDeslizante = new JSlider(JSlider.HORIZONTAL);
cDeslizante.setMinimum(0);
cDeslizante.setMaximum(10);
cDeslizante.setValue(0);
cDeslizante.setMajorTickSpacing(2);
cDeslizante.setMinorTickSpacing(1);
cDeslizante.setPaintTicks(true);
cDeslizante.setPaintLabels(true);
cDeslizante.setSnapToTicks(true);
cDeslizante.setBounds(0,237,250,50);
ct.add(cDeslizante);

JPanel painel = new JPanel();
painel.setBorder(BorderFactory.createTitledBorder("LookAndFeel"));
painel.setBounds(0, 288, 250, 200);
ct.add(painel);

// ===========================
// The LookAndFeel
// ===========================
ItemSelecionado iselect = new ItemSelecionado();
looks = UIManager.getInstalledLookAndFeels(); 
escolha = new JRadioButton[  looks.length ];  
grupo = new ButtonGroup();  
for (int i = 0; i < looks.length; i++){  
escolha[i] = new JRadioButton( looks[i].getName() );  
escolha[i].addItemListener( iselect );  
grupo.add( escolha[i] );  
painel.add( escolha[i] );  
}
// ===========================
// And LookAndFeel
// ===========================

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);



      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
// ===========================
// The LookAndFeel
// ===========================
   private class ItemSelecionado implements ItemListener {  
           public void itemStateChanged( ItemEvent e) {  
             for (int i=0; i < escolha.length; i++){  
             	if (escolha[i].isSelected()) {  
               		atualiza(i);
			 	}
             }  
           }  
   } 
public void atualiza(int i){  
	try {  
		UIManager.setLookAndFeel(looks[i].getClassName());  
		SwingUtilities.updateComponentTreeUI(this);  
	}catch(Exception e) {  
		e.printStackTrace();  
	}  
}
// ===========================
// And LookAndFeel
// ===========================
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import javax.swing.JTree;
import javax.swing.tree.*;
import javax.swing.event.*;

public class JavaTeste extends JFrame {

      private DefaultTreeModel model;
	  private JTree tree;
	  private JTextArea area_texto;
	  private JButton botao_1;
	  private JButton botao_2;
	  private JButton botao_3;
	  private JButton botao_4;

public TreeNode makeSampleTree() {
      DefaultMutableTreeNode top = new DefaultMutableTreeNode("Apostilas");

      DefaultMutableTreeNode portugues = new DefaultMutableTreeNode("Português");
      top.add(portugues);
	  
      DefaultMutableTreeNode gramatica = new DefaultMutableTreeNode("Gramática");
      portugues.add(gramatica);
	  
      DefaultMutableTreeNode redacao = new DefaultMutableTreeNode("Redação");
      portugues.add(redacao);
	  
      DefaultMutableTreeNode matematica = new DefaultMutableTreeNode("Matemática");
      top.add(matematica);
	  
      DefaultMutableTreeNode conjunto = new DefaultMutableTreeNode("Conjunto");
      matematica.add(conjunto);
	  
      DefaultMutableTreeNode fracao = new DefaultMutableTreeNode("Fração");
      matematica.add(fracao);

	  return top;
}
      public JavaTeste() {

      super("Formulario");
      this.setSize(500,540);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      TreeNode root = makeSampleTree();
      model = new DefaultTreeModel(root);
      tree = new JTree(model);
      tree.setEditable(true);

      JScrollPane barra_de_rolagem_1 = new JScrollPane(tree);

      area_texto = new JTextArea("");
      area_texto.setLineWrap(true);
      JScrollPane barra_de_rolagem_2 = new JScrollPane(area_texto);
	  
     JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT,
                                              barra_de_rolagem_1,
                                              barra_de_rolagem_2);


      splitPane.setDividerLocation(200);
 
      splitPane.setBounds(0,0,300,500);
      ct.add(splitPane);

      botao_1 = new JButton("Inserir Icones");
      botao_1.setBounds(301,0,150,25);
      ct.add(botao_1);

      botao_2 = new JButton("Excluir Icones");
      botao_2.setBounds(301,26,150,25);
      ct.add(botao_2);

      botao_3 = new JButton("Remover");
      botao_3.setBounds(301,52,150,25);
      ct.add(botao_3);

	  botao_4 = new JButton("Adicionar");
      botao_4.setBounds(301,78,150,25);
      ct.add(botao_4);

	  Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);
      
      this.setVisible(true);

      tree.addTreeSelectionListener(new TreeSelectionListener() {
         public void valueChanged(TreeSelectionEvent  e) {

        try {

        String pasta = tree.getLastSelectedPathComponent().toString();
		JTree treeSource = (JTree) e.getSource();

        TreePath caminho = treeSource.getSelectionPath();

        area_texto.setText("Caminho: " + caminho + "\nPasta: " + pasta);

		String x_caminho = "" + caminho;

		if(x_caminho.equals("[Apostilas, Matemática, Fração]")) {
		      JOptionPane.showMessageDialog(null, "Pasta: Fração");
		}
        } catch (Exception ignore) {}

      }});

     botao_1.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent e) {

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer)tree.getCellRenderer();

    Icon leafIcon = new ImageIcon("blue.gif");
    Icon openIcon = new ImageIcon("red.gif");
    Icon closedIcon = new ImageIcon("green.gif");

    renderer.setLeafIcon(leafIcon);
    renderer.setClosedIcon(closedIcon);
    renderer.setOpenIcon(openIcon);

      }});

     botao_2.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent e) {

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer)tree.getCellRenderer();

    renderer.setLeafIcon(null);
    renderer.setClosedIcon(null);
    renderer.setOpenIcon(null);

      }});
	 botao_3.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent e) {

        DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();
		model.removeNodeFromParent(selectedNode);

      }});
     botao_4.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent e) {

	 DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();

	 DefaultMutableTreeNode newNode = new DefaultMutableTreeNode("New");

     model.insertNodeInto(newNode, selectedNode, selectedNode.getChildCount());

      }});

      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }

   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

      public JavaTeste() {

      super("Formulario");
      this.setSize(230,500);
      this.setLocation(50, 100);

      Container ct = this.getContentPane();
      ct.setLayout(null);

      JLabel layout_1 = new JLabel("Cursor.DEFAULT_CURSOR");
	  layout_1.setBounds(10,10,200,30);
	  ct.add(layout_1);
	  layout_1.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));

      JLabel layout_2 = new JLabel("Cursor.CROSSHAIR_CURSOR");
	  layout_2.setBounds(10,40,200,30);
	  ct.add(layout_2);
	  layout_2.setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));

      JLabel layout_3 = new JLabel("Cursor.HAND_CURSOR");
	  layout_3.setBounds(10,70,200,30);
	  ct.add(layout_3);
	  layout_3.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));

      JLabel layout_4 = new JLabel("Cursor.MOVE_CURSOR");
	  layout_4.setBounds(10,100,200,30);
	  ct.add(layout_4);
	  layout_4.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));

      JLabel layout_5 = new JLabel("Cursor.WAIT_CURSOR");
	  layout_5.setBounds(10,130,200,30);
	  ct.add(layout_5);
	  layout_5.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

      JLabel layout_6 = new JLabel("Cursor.TEXT_CURSOR");
	  layout_6.setBounds(10,160,200,30);
	  ct.add(layout_6);
	  layout_6.setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR));

      JLabel layout_7 = new JLabel("Cursor.E_RESIZE_CURSOR");
	  layout_7.setBounds(10,190,200,30);
	  ct.add(layout_7);
	  layout_7.setCursor(Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR));

      JLabel layout_8 = new JLabel("Cursor.N_RESIZE_CURSOR");
	  layout_8.setBounds(10,220,200,30);
	  ct.add(layout_8);
	  layout_8.setCursor(Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR));

      JLabel layout_9 = new JLabel("Cursor.NE_RESIZE_CURSOR");
	  layout_9.setBounds(10,250,200,30);
	  ct.add(layout_9);
	  layout_9.setCursor(Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR));

      JLabel layout_10 = new JLabel("Cursor.NW_RESIZE_CURSOR");
	  layout_10.setBounds(10,280,200,30);
	  ct.add(layout_10);
	  layout_10.setCursor(Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR));

      JLabel layout_11 = new JLabel("Cursor.S_RESIZE_CURSOR");
	  layout_11.setBounds(10,310,200,30);
	  ct.add(layout_11);
	  layout_11.setCursor(Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR));

      JLabel layout_12 = new JLabel("Cursor.SE_RESIZE_CURSOR");
	  layout_12.setBounds(10,340,200,30);
	  ct.add(layout_12);
	  layout_12.setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));

      JLabel layout_13 = new JLabel("Cursor.SW_RESIZE_CURSOR");
	  layout_13.setBounds(10,370,200,30);
	  ct.add(layout_13);
	  layout_13.setCursor(Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR));

      JLabel layout_14 = new JLabel("Cursor.W_RESIZE_CURSOR");
	  layout_14.setBounds(10,400,200,30);
	  ct.add(layout_14);
	  layout_14.setCursor(Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR));

      JLabel layout_15 = new JLabel("Imagem: cursor.gif");
	  layout_15.setBounds(10,430,200,30);
	  ct.add(layout_15);
      Toolkit tkit = layout_15.getToolkit();
      Image image = tkit.getImage("icon.gif");
      Point hotspotPoint = new Point(0,0);
      Cursor customCursor = tkit.createCustomCursor(image, hotspotPoint ,"");
      layout_15.setCursor(customCursor);

      Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif"); 
      setIconImage(Icone);

      this.setVisible(true);


      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

   }
   public static void main(String[] args) {
      new JavaTeste();
   }
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste {

private JFrame jf;
private JLabel Nome_do_botao;
public JavaTeste() {
jf = new JFrame("Formulario");
jf.setSize(400,200);
jf.setLocation(50, 100);

Container ct = jf.getContentPane();
ct.setLayout(null);

Nome_do_botao = new JLabel("Posição do mouse");

Nome_do_botao.setBounds(0,0,150,20);
ct.add(Nome_do_botao);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
jf.setIconImage(Icone);

jf.setVisible(true);

jf.addMouseMotionListener(new MouseMotionListener() {
     public void mouseDragged(MouseEvent e) {  
     } 
     public void mousePressed(MouseEvent e) {
     }  
     public void mouseReleased(MouseEvent e) {  
     }
     public void mouseMoved(MouseEvent e) {  
         Nome_do_botao.setText("           X = " + (e.getX()-8) + " Y = " + (e.getY()-28));
		 Nome_do_botao.setLocation(e.getX()-8, e.getY()-28);
     }  
});

jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import java.awt.*;
import java.awt.geom.Ellipse2D;
import javax.swing.*;

public class SimpleWindow extends JFrame {

   public SimpleWindow() {
      super("Test oval-shaped window");
      this.setLayout(new FlowLayout());
      this.add(new JButton("test"));
      this.add(new JCheckBox("test"));
      this.add(new JRadioButton("test"));
      this.add(new JProgressBar(0, 100));
      this.setSize(new Dimension(400, 300));
      this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      this.setDefaultLookAndFeelDecorated(true);

// ==============================

// ==============================

      this.setVisible(true);
   }

   public static void main(String[] args) {
      new SimpleWindow();
   }

}

import java.awt.*;
import java.awt.geom.Ellipse2D;
import javax.swing.*;

public class TranslucentWindow extends JFrame {

   public TranslucentWindow() {
      super("Test oval-shaped window");
      this.setLayout(new FlowLayout());
      this.add(new JButton("test"));
      this.add(new JCheckBox("test"));
      this.add(new JRadioButton("test"));
      this.add(new JProgressBar(0, 100));
      this.setSize(new Dimension(400, 300));
      this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      this.setDefaultLookAndFeelDecorated(true);

// ==============================
      this.setUndecorated(true);
      this.setOpacity(0.5f);
// ==============================

      this.setVisible(true);
   }

   public static void main(String[] args) {
      new TranslucentWindow();
   }

}

import java.awt.*;
import java.awt.geom.Ellipse2D;
import javax.swing.*;

public class ShapedWindow extends JFrame {

   public ShapedWindow() {
      super("Test oval-shaped window");
      this.setLayout(new FlowLayout());
      this.add(new JButton("test"));
      this.add(new JCheckBox("test"));
      this.add(new JRadioButton("test"));
      this.add(new JProgressBar(0, 100));
      this.setSize(new Dimension(400, 300));
      this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      this.setDefaultLookAndFeelDecorated(true);

// ==============================
      this.setUndecorated(true);
      this.setShape(new Ellipse2D.Double(0, 0, this.getWidth(), this.getHeight()));
// ==============================

      this.setVisible(true);
   }

   public static void main(String[] args) {
      new ShapedWindow();
   }

}

import java.awt.*;
import java.awt.geom.Ellipse2D;
import javax.swing.*;

public class TranslucentShapedWindow extends JFrame {

   public TranslucentShapedWindow() {
      super("Test oval-shaped window");
      this.setLayout(new FlowLayout());
      this.add(new JButton("test"));
      this.add(new JCheckBox("test"));
      this.add(new JRadioButton("test"));
      this.add(new JProgressBar(0, 100));
      this.setSize(new Dimension(400, 300));
      this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      this.setDefaultLookAndFeelDecorated(true);

// ==============================
      this.setUndecorated(true);
      this.setShape(new Ellipse2D.Double(0, 0, this.getWidth(), this.getHeight()));
      this.setOpacity(0.5f);
// ==============================

      this.setVisible(true);
   }

   public static void main(String[] args) {
      new TranslucentShapedWindow();
   }

}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste {

private JFrame jf;
private JLabel label;
private Point mousePoint;

     int baseX = -1;  
     int baseY = -1;  
   
public JavaTeste() {
jf = new JFrame("Formulario");
jf.setSize(400,200);
jf.setLocation(50, 100);

Container ct = jf.getContentPane();
ct.setLayout(null);

label = new JLabel("Clique aqui");

label.setBounds(50,10,150,25);
ct.add(label);
label.setOpaque(true);
label.setBackground(Color.yellow);
label.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
jf.setIconImage(Icone);

jf.setVisible(true);

label.addMouseMotionListener(new MouseMotionListener() {
 
     public void mouseDragged(MouseEvent e) {  
		 try { 
             int x = jf.getLocation().x;  
             int y = jf.getLocation().y;
			 int x_ = e.getX();
			 int y_ = e.getY();
			 x = x + x_ - baseX;
			 y = y + y_ - baseY;
             jf.setLocation(x, y);  
		 } catch  (Exception s){}

     }  
     public void mouseMoved(MouseEvent e) {  
     baseX = e.getX();
     baseY = e.getY();
	 }  
     public void mousePressed(MouseEvent e) {
     }  
     public void mouseReleased(MouseEvent e) {  
     }

});

jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JTextArea area_texto;
private JButton select_texto;
private JButton alter_texto_select;

public JavaTeste() {

super("Formulario");
this.setSize(400,200);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

area_texto = new JTextArea("Digite seus comentários");
// define a quebra de linha automática
area_texto.setLineWrap(true);
JScrollPane barra_de_rolagem = new JScrollPane(area_texto);
barra_de_rolagem.setBounds(0,0,150,100);
ct.add(barra_de_rolagem);

select_texto = new JButton("Selecionar texto");
select_texto.setBounds(151,0,200,25);
ct.add(select_texto);

alter_texto_select = new JButton("Alterar texto selecionado");
alter_texto_select.setBounds(151,26,200,25);
ct.add(alter_texto_select);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

select_texto.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
area_texto.requestFocus();
area_texto.setSelectionStart(0);
area_texto.setSelectionEnd(area_texto.getText().length());

}});

alter_texto_select.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {

int x = area_texto.getSelectionStart();
int y = area_texto.getSelectionEnd();
String texto = area_texto.getText().substring(0,x)+"<texto>"+area_texto.getText().substring(x,y)+"</texto>"+area_texto.getText().substring(y,area_texto.getText().length());

area_texto.setText(texto);
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste {

private JFrame jf;
private JTextField texto;
private JLabel label;

public JavaTeste() {
jf = new JFrame("Formulario");
jf.setSize(400,200);
jf.setLocation(50, 100);

Container ct = jf.getContentPane();
ct.setLayout(null);

label = new JLabel("Label"); 

label.setBounds(0,0,50,20);
ct.add(label);

texto = new JTextField("");

texto.setBounds(0,25,150,20);
ct.add(texto);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
jf.setIconImage(Icone);

jf.setVisible(true);

texto.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {

Point posicao = label.getLocation();  
   
switch(e.getKeyCode()){
case KeyEvent.VK_UP:  
   label.setLocation(posicao.x, posicao.y-1);  
   break;  
case KeyEvent.VK_DOWN:  
   label.setLocation(posicao.x, posicao.y+1);  
   break;  
case KeyEvent.VK_LEFT:  
   label.setLocation(posicao.x-1, posicao.y);  
   break;  
case KeyEvent.VK_RIGHT:  
   label.setLocation(posicao.x+1, posicao.y);  
   break;  
}  


}});

jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JavaTeste extends JFrame {

private JTextField teclado;
private JLabel resultado;
private JButton btCapsLock;

public JavaTeste() {

super("Formulario");
this.setSize(350,300);
this.setLocation(50, 100);

Container ct = this.getContentPane();
ct.setLayout(null);

teclado = new JTextField("");
teclado.setBounds(0,0,100,20);
ct.add(teclado);

btCapsLock = new JButton("Caps Lock");
btCapsLock.setBounds(101,0,200,25);
ct.add(btCapsLock);

resultado = new JLabel("");
resultado.setBounds(0,21,300,200);
resultado.setVerticalAlignment(JLabel.TOP);
ct.add(resultado);

Image Icone = Toolkit.getDefaultToolkit().getImage("icon.gif");
setIconImage(Icone);

this.setVisible(true);

teclado.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent tecla) {
int codigo = tecla.getKeyCode();
char caracter = tecla.getKeyChar();
String texto = tecla.getKeyText(codigo);
String result = "<html>(keyPressed)<br>Codigo = " + codigo + "<br>Caracter = " + caracter + "<br>Texto = " + texto ;

if(tecla.isShiftDown())
{result += "<br>A tecla Shift foi pressionada";}

if(tecla.isControlDown())
{result += "<br>A tecla Control foi pressionada";}

if(tecla.isAltDown())
{result += "<br>A tecla Alt foi pressionada";}

java.awt.Toolkit t = java.awt.Toolkit.getDefaultToolkit();

if(t.getLockingKeyState(KeyEvent.VK_NUM_LOCK) == true)
{result += "<br>A tecla Num Lock está ativada";}

if(t.getLockingKeyState(KeyEvent.VK_SCROLL_LOCK) == true)
{result += "<br>A tecla Scroll Lock está ativada";}

if(t.getLockingKeyState(KeyEvent.VK_CAPS_LOCK) == true)
{result += "<br>A tecla Caps Lock está ativada";}

result += TeclaEvento(codigo);

result += TeclaChar(caracter);

result += "</html>";
resultado.setText(result);

}});

btCapsLock.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
java.awt.Toolkit t = java.awt.Toolkit.getDefaultToolkit();
if(t.getLockingKeyState(KeyEvent.VK_CAPS_LOCK) == true){
t.setLockingKeyState(KeyEvent.VK_CAPS_LOCK, false);
btCapsLock.setText("Ativar Caps Lock");
} else {
t.setLockingKeyState(KeyEvent.VK_CAPS_LOCK, true);
btCapsLock.setText("Desativar Caps Lock");
}
}});

this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}});

}
public static void main(String[] args) {
new JavaTeste();
}
public String TeclaEvento(int codigo) {

String x = "";

if(codigo == KeyEvent.VK_0) { x += "<br>KeyEvent.VK_0";}
if(codigo == KeyEvent.VK_1) { x += "<br>KeyEvent.VK_1";}
if(codigo == KeyEvent.VK_2) { x += "<br>KeyEvent.VK_2";}
if(codigo == KeyEvent.VK_3) { x += "<br>KeyEvent.VK_3";}
if(codigo == KeyEvent.VK_4) { x += "<br>KeyEvent.VK_4";}
if(codigo == KeyEvent.VK_5) { x += "<br>KeyEvent.VK_5";}
if(codigo == KeyEvent.VK_6) { x += "<br>KeyEvent.VK_6";}
if(codigo == KeyEvent.VK_7) { x += "<br>KeyEvent.VK_7";}
if(codigo == KeyEvent.VK_8) { x += "<br>KeyEvent.VK_8";}
if(codigo == KeyEvent.VK_9) { x += "<br>KeyEvent.VK_9";}
if(codigo == KeyEvent.VK_A) { x += "<br>KeyEvent.VK_A";}
if(codigo == KeyEvent.VK_B) { x += "<br>KeyEvent.VK_B";}
if(codigo == KeyEvent.VK_C) { x += "<br>KeyEvent.VK_C";}
if(codigo == KeyEvent.VK_D) { x += "<br>KeyEvent.VK_D";}
if(codigo == KeyEvent.VK_E) { x += "<br>KeyEvent.VK_E";}
if(codigo == KeyEvent.VK_F) { x += "<br>KeyEvent.VK_F";}
if(codigo == KeyEvent.VK_G) { x += "<br>KeyEvent.VK_G";}
if(codigo == KeyEvent.VK_H) { x += "<br>KeyEvent.VK_H";}
if(codigo == KeyEvent.VK_I) { x += "<br>KeyEvent.VK_I";}
if(codigo == KeyEvent.VK_J) { x += "<br>KeyEvent.VK_J";}
if(codigo == KeyEvent.VK_K) { x += "<br>KeyEvent.VK_K";}
if(codigo == KeyEvent.VK_L) { x += "<br>KeyEvent.VK_L";}
if(codigo == KeyEvent.VK_M) { x += "<br>KeyEvent.VK_M";}
if(codigo == KeyEvent.VK_N) { x += "<br>KeyEvent.VK_N";}
if(codigo == KeyEvent.VK_O) { x += "<br>KeyEvent.VK_O";}
if(codigo == KeyEvent.VK_P) { x += "<br>KeyEvent.VK_P";}
if(codigo == KeyEvent.VK_Q) { x += "<br>KeyEvent.VK_Q";}
if(codigo == KeyEvent.VK_R) { x += "<br>KeyEvent.VK_R";}
if(codigo == KeyEvent.VK_S) { x += "<br>KeyEvent.VK_S";}
if(codigo == KeyEvent.VK_T) { x += "<br>KeyEvent.VK_T";}
if(codigo == KeyEvent.VK_U) { x += "<br>KeyEvent.VK_U";}
if(codigo == KeyEvent.VK_V) { x += "<br>KeyEvent.VK_V";}
if(codigo == KeyEvent.VK_W) { x += "<br>KeyEvent.VK_W";}
if(codigo == KeyEvent.VK_X) { x += "<br>KeyEvent.VK_X";}
if(codigo == KeyEvent.VK_Y) { x += "<br>KeyEvent.VK_Y";}
if(codigo == KeyEvent.VK_Z) { x += "<br>KeyEvent.VK_Z";}
if(codigo == KeyEvent.VK_NUM_LOCK) { x += "<br>KeyEvent.VK_NUM_LOCK";}
if(codigo == KeyEvent.VK_NUMPAD0) { x += "<br>KeyEvent.VK_NUMPAD0";}
if(codigo == KeyEvent.VK_NUMPAD1) { x += "<br>KeyEvent.VK_NUMPAD1";}
if(codigo == KeyEvent.VK_NUMPAD2) { x += "<br>KeyEvent.VK_NUMPAD2";}
if(codigo == KeyEvent.VK_NUMPAD3) { x += "<br>KeyEvent.VK_NUMPAD3";}
if(codigo == KeyEvent.VK_NUMPAD4) { x += "<br>KeyEvent.VK_NUMPAD4";}
if(codigo == KeyEvent.VK_NUMPAD5) { x += "<br>KeyEvent.VK_NUMPAD5";}
if(codigo == KeyEvent.VK_NUMPAD6) { x += "<br>KeyEvent.VK_NUMPAD6";}
if(codigo == KeyEvent.VK_NUMPAD7) { x += "<br>KeyEvent.VK_NUMPAD7";}
if(codigo == KeyEvent.VK_NUMPAD8) { x += "<br>KeyEvent.VK_NUMPAD8";}
if(codigo == KeyEvent.VK_NUMPAD9) { x += "<br>KeyEvent.VK_NUMPAD9";}
if(codigo == KeyEvent.VK_ADD) { x += "<br>KeyEvent.VK_ADD";}
if(codigo == KeyEvent.VK_SUBTRACT) { x += "<br>KeyEvent.VK_SUBTRACT";}
if(codigo == KeyEvent.VK_MULTIPLY) { x += "<br>KeyEvent.VK_MULTIPLY";}
if(codigo == KeyEvent.VK_DIVIDE) { x += "<br>KeyEvent.VK_DIVIDE";}
if(codigo == KeyEvent.VK_DECIMAL) { x += "<br>KeyEvent.VK_DECIMAL";}
if(codigo == KeyEvent.VK_KP_DOWN) { x += "<br>KeyEvent.VK_KP_DOWN";}
if(codigo == KeyEvent.VK_KP_LEFT) { x += "<br>KeyEvent.VK_KP_LEFT";}
if(codigo == KeyEvent.VK_KP_RIGHT) { x += "<br>KeyEvent.VK_KP_RIGHT";}
if(codigo == KeyEvent.VK_KP_UP) { x += "<br>KeyEvent.VK_KP_UP";}
if(codigo == KeyEvent.VK_ESCAPE) { x += "<br>KeyEvent.VK_ESCAPE";}
if(codigo == KeyEvent.VK_ENTER) { x += "<br>KeyEvent.VK_ENTER";}
if(codigo == KeyEvent.VK_BACK_SPACE) { x += "<br>KeyEvent.VK_BACK_SPACE";}
if(codigo == KeyEvent.VK_SPACE) { x += "<br>KeyEvent.VK_SPACE";}
if(codigo == KeyEvent.VK_TAB) { x += "<br>KeyEvent.VK_TAB";}
if(codigo == KeyEvent.VK_CAPS_LOCK) { x += "<br>KeyEvent.VK_CAPS_LOCK";}
if(codigo == KeyEvent.VK_SHIFT) { x += "<br>KeyEvent.VK_SHIFT";}
if(codigo == KeyEvent.VK_CONTROL) { x += "<br>KeyEvent.VK_CONTROL";}
if(codigo == KeyEvent.VK_ALT) { x += "<br>KeyEvent.VK_ALT";}
if(codigo == KeyEvent.VK_ALT_GRAPH) { x += "<br>KeyEvent.VK_ALT_GRAPH";}
if(codigo == KeyEvent.VK_DELETE) { x += "<br>KeyEvent.VK_DELETE";}
if(codigo == KeyEvent.VK_INSERT) { x += "<br>KeyEvent.VK_INSERT";}
if(codigo == KeyEvent.VK_HOME) { x += "<br>KeyEvent.VK_HOME";}
if(codigo == KeyEvent.VK_END) { x += "<br>KeyEvent.VK_END";}
if(codigo == KeyEvent.VK_PAGE_DOWN) { x += "<br>KeyEvent.VK_PAGE_DOWN";}
if(codigo == KeyEvent.VK_PAGE_UP) { x += "<br>KeyEvent.VK_PAGE_UP";}
if(codigo == KeyEvent.VK_PRINTSCREEN) { x += "<br>KeyEvent.VK_PRINTSCREEN";}
if(codigo == KeyEvent.VK_SCROLL_LOCK) { x += "<br>KeyEvent.VK_SCROLL_LOCK";}
if(codigo == KeyEvent.VK_PAUSE) { x += "<br>KeyEvent.VK_PAUSE";}
if(codigo == KeyEvent.VK_DOWN) { x += "<br>KeyEvent.VK_DOWN";}
if(codigo == KeyEvent.VK_LEFT) { x += "<br>KeyEvent.VK_LEFT";}
if(codigo == KeyEvent.VK_RIGHT) { x += "<br>KeyEvent.VK_RIGHT";}
if(codigo == KeyEvent.VK_UP) { x += "<br>KeyEvent.VK_UP";}
if(codigo == KeyEvent.VK_F1) { x += "<br>KeyEvent.VK_F1";}
if(codigo == KeyEvent.VK_F2) { x += "<br>KeyEvent.VK_F2";}
if(codigo == KeyEvent.VK_F3) { x += "<br>KeyEvent.VK_F3";}
if(codigo == KeyEvent.VK_F4) { x += "<br>KeyEvent.VK_F4";}
if(codigo == KeyEvent.VK_F5) { x += "<br>KeyEvent.VK_F5";}
if(codigo == KeyEvent.VK_F6) { x += "<br>KeyEvent.VK_F6";}
if(codigo == KeyEvent.VK_F7) { x += "<br>KeyEvent.VK_F7";}
if(codigo == KeyEvent.VK_F8) { x += "<br>KeyEvent.VK_F8";}
if(codigo == KeyEvent.VK_F9) { x += "<br>KeyEvent.VK_F9";}
if(codigo == KeyEvent.VK_F10) { x += "<br>KeyEvent.VK_F10";}
if(codigo == KeyEvent.VK_F11) { x += "<br>KeyEvent.VK_F11";}
if(codigo == KeyEvent.VK_F12) { x += "<br>KeyEvent.VK_F12";}
if(codigo == KeyEvent.VK_F13) { x += "<br>KeyEvent.VK_F13";}
if(codigo == KeyEvent.VK_F14) { x += "<br>KeyEvent.VK_F14";}
if(codigo == KeyEvent.VK_F15) { x += "<br>KeyEvent.VK_F15";}
if(codigo == KeyEvent.VK_F16) { x += "<br>KeyEvent.VK_F16";}
if(codigo == KeyEvent.VK_F17) { x += "<br>KeyEvent.VK_F17";}
if(codigo == KeyEvent.VK_F18) { x += "<br>KeyEvent.VK_F18";}
if(codigo == KeyEvent.VK_F19) { x += "<br>KeyEvent.VK_F19";}
if(codigo == KeyEvent.VK_F20) { x += "<br>KeyEvent.VK_F20";}
if(codigo == KeyEvent.VK_F21) { x += "<br>KeyEvent.VK_F21";}
if(codigo == KeyEvent.VK_F22) { x += "<br>KeyEvent.VK_F22";}
if(codigo == KeyEvent.VK_F23) { x += "<br>KeyEvent.VK_F23";}
if(codigo == KeyEvent.VK_F24) { x += "<br>KeyEvent.VK_F24";}
if(codigo == KeyEvent.VK_COPY) { x += "<br>KeyEvent.VK_COPY";}
if(codigo == KeyEvent.VK_CUT) { x += "<br>KeyEvent.VK_CUT";}
if(codigo == KeyEvent.VK_PASTE) { x += "<br>KeyEvent.VK_PASTE";}
if(codigo == KeyEvent.VK_WINDOWS) { x += "<br>KeyEvent.VK_WINDOWS";}
if(codigo == KeyEvent.VK_CONTEXT_MENU) { x += "<br>KeyEvent.VK_CONTEXT_MENU";}

// ==============================
// Outros
// Somente os que forma testados
// Obs: estas teclas foram testadas no teclado abnt brasileiro
if(codigo == KeyEvent.VK_QUOTE) { x += "<br>KeyEvent.VK_QUOTE";} // tecla '

if(codigo == KeyEvent.VK_MINUS) { x += "<br>KeyEvent.VK_MINUS";} // tecla -
if(codigo == KeyEvent.VK_EQUALS) { x += "<br>KeyEvent.VK_EQUALS";} // tecla =

if(codigo == KeyEvent.VK_DEAD_TILDE) { x += "<br>KeyEvent.VK_DEAD_TILDE";} // tecla ~
if(codigo == KeyEvent.VK_DEAD_ACUTE) { x += "<br>KeyEvent.VK_DEAD_ACUTE";} // tecla ´

if(codigo == KeyEvent.VK_OPEN_BRACKET) { x += "<br>KeyEvent.VK_OPEN_BRACKET";} // tecla [
if(codigo == KeyEvent.VK_CLOSE_BRACKET) { x += "<br>KeyEvent.VK_CLOSE_BRACKET";} // tecla ]

if(codigo == KeyEvent.VK_COMMA) { x += "<br>KeyEvent.VK_COMMA";} // tecla ,
if(codigo == KeyEvent.VK_PERIOD) { x += "<br>KeyEvent.VK_PERIOD";} // tecla .
if(codigo == KeyEvent.VK_SEMICOLON) { x += "<br>KeyEvent.VK_SEMICOLON";} // tecla ;

return x;

}
public String TeclaChar(char caracter) {
// ================================
// Somente os que forma testados
// Obs: estas teclas foram testadas no teclado abnt brasileiro
String x = "<br><font color='red'>";
switch(caracter) {
case '"': x += "tecla = \""; break;
case '!': x += "tecla = !"; break;

case '@': x += "tecla = @"; break;
case '#': x += "tecla = #"; break;
case '$': x += "tecla = $"; break;
case '%': x += "tecla = %"; break;
case '¨': x += "tecla = ¨"; break;
case '&': x += "tecla = &"; break;
case '*': x += "tecla = *"; break;
case '(': x += "tecla = ("; break;
case ')': x += "tecla = )"; break;
case '_': x += "tecla = _"; break;
case '+': x += "tecla = +"; break;
case '`': x += "tecla = `"; break;
case '^': x += "tecla = ^"; break;
case '{': x += "tecla = {"; break;
case '}': x += "tecla = }"; break;
case '\\': x += "tecla = \\"; break;
case '/': x += "tecla = /"; break;
case '|': x += "tecla = |"; break;
case '<': x += "tecla = <"; break;
case '>': x += "tecla = >"; break;
case ':': x += "tecla = :"; break;
case '?': x += "tecla = ?"; break;

case '²': x += "tecla = ²"; break;
case '³': x += "tecla = ³"; break;
case '£': x += "tecla = £"; break;
case '¢': x += "tecla = ¢"; break;
case '¬': x += "tecla = ¬"; break;
case '§': x += "tecla = §"; break;
case 'ª': x += "tecla = ª"; break;
case 'º': x += "tecla = º"; break;
case '°': x += "tecla = °"; break;
}
return x + "</font>";
}
}

VK_0
VK_1
VK_2
VK_3
VK_4
VK_5
VK_6
VK_7
VK_8
VK_9

VK_A
VK_B
VK_C
VK_D
VK_E
VK_F
VK_G
VK_H
VK_I
VK_J
VK_K
VK_L
VK_M
VK_N
VK_O
VK_P
VK_Q
VK_R
VK_S
VK_T
VK_U
VK_V
VK_W
VK_X
VK_Y
VK_Z

VK_NUM_LOCK

VK_NUMPAD0
VK_NUMPAD1
VK_NUMPAD2
VK_NUMPAD3
VK_NUMPAD4
VK_NUMPAD5
VK_NUMPAD6
VK_NUMPAD7
VK_NUMPAD8
VK_NUMPAD9

VK_ADD
VK_SUBTRACT
VK_MULTIPLY
VK_DIVIDE
VK_DECIMAL

VK_KP_DOWN
VK_KP_LEFT
VK_KP_RIGHT
VK_KP_UP

VK_ESCAPE
VK_ENTER
VK_BACK_SPACE
VK_SPACE
VK_TAB
VK_CAPS_LOCK

VK_SHIFT
VK_CONTROL
VK_ALT
VK_ALT_GRAPH

VK_DELETE
VK_INSERT
VK_HOME
VK_END
VK_PAGE_DOWN
VK_PAGE_UP

VK_PRINTSCREEN
VK_SCROLL_LOCK
VK_PAUSE

VK_DOWN
VK_LEFT
VK_RIGHT
VK_UP

VK_F1
VK_F2
VK_F3
VK_F4
VK_F5
VK_F6
VK_F7
VK_F8
VK_F9
VK_F10
VK_F11
VK_F12
VK_F13
VK_F14
VK_F15
VK_F16
VK_F17
VK_F18
VK_F19
VK_F20
VK_F21
VK_F22
VK_F23
VK_F24

CHAR_UNDEFINED

KEY_FIRST

KEY_LAST

KEY_LOCATION_LEFT

KEY_LOCATION_NUMPAD

KEY_LOCATION_RIGHT

KEY_LOCATION_STANDARD

KEY_LOCATION_UNKNOWN

KEY_PRESSED

KEY_RELEASED

KEY_TYPED

VK_ACCEPT

VK_AGAIN

VK_ALL_CANDIDATES

VK_ALPHANUMERIC

VK_AMPERSAND

VK_ASTERISK

VK_AT

VK_BACK_QUOTE

VK_BACK_SLASH

VK_BEGIN

VK_BRACELEFT

VK_BRACERIGHT

VK_CANCEL

VK_CIRCUMFLEX

VK_CLEAR

VK_CODE_INPUT

VK_COLON

VK_COMPOSE

VK_CONTEXT_MENU

VK_CONVERT

VK_DEAD_ABOVEDOT

VK_DEAD_ABOVERING

VK_DEAD_BREVE

VK_DEAD_CARON

VK_DEAD_CEDILLA

VK_DEAD_CIRCUMFLEX

VK_DEAD_DIAERESIS

VK_DEAD_DOUBLEACUTE

VK_DEAD_GRAVE

VK_DEAD_IOTA

VK_DEAD_MACRON

VK_DEAD_OGONEK

VK_DEAD_SEMIVOICED_SOUND

VK_DEAD_VOICED_SOUND

VK_DOLLAR

VK_EQUALS

VK_EURO_SIGN

VK_EXCLAMATION_MARK

VK_FINAL

VK_FIND

VK_FULL_WIDTH

VK_GREATER

VK_HALF_WIDTH

VK_HELP

VK_HIRAGANA

VK_INPUT_METHOD_ON_OFF

VK_INVERTED_EXCLAMATION_MARK

VK_JAPANESE_HIRAGANA

VK_JAPANESE_KATAKANA

VK_JAPANESE_ROMAN

VK_KANA

VK_KANA_LOCK

VK_KANJI

VK_KATAKANA

VK_LEFT_PARENTHESIS

VK_LESS

VK_META

VK_MODECHANGE

VK_NONCONVERT

VK_NUMBER_SIGN

VK_PLUS

VK_PREVIOUS_CANDIDATE

VK_PROPS

VK_QUOTEDBL

VK_RIGHT_PARENTHESIS

VK_ROMAN_CHARACTERS

VK_SEPARATER

VK_SEPARATOR

VK_SLASH

VK_STOP

VK_UNDEFINED

VK_UNDERSCORE

VK_UNDO