Como criar um array de objetos?

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

public class JavaTeste extends JFrame {

   private JLabel texto[];
   public JTextField campo[];
   private JButton testar[];

   private int total = 5;

      public JavaTeste() {
      super("Formulario");
      this.setSize(350,170);
      this.setLocation(50, 100);

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

	  texto = new JLabel[total+1];
	  campo = new JTextField[total+1];
      testar = new JButton[total+1];

      for(int i=0; i <=total; i++){
	  try {
	  texto[i] = new JLabel();
	  texto[i].setText("campo "+i+": ");
      texto[i].setBounds(0,20*i,60,20);
      ct.add(texto[i]);

      campo[i] = new JTextField();
	  campo[i].setText("teste "+i);
      campo[i].setBounds(61,20*i,150,20);
      ct.add(campo[i]);

      testar[i] = new JButton();
	  testar[i].setText("testar");
      testar[i].setBounds(212,20*i,100,20);
      ct.add(testar[i]);
	  } catch (NullPointerException erro) {/* Erro desapareceu */}
      }

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

      this.setVisible(true);
      for(int i=0; i <=total; i++){
	  try {
      testar[i].addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            JButton botaoPressionado = (JButton) e.getSource();
            String item = "";
            for(int i = 0; i <= total; i++){
               if(botaoPressionado == testar[i]){
                  item = campo[i].getText();
               }
            }
			JOptionPane.showMessageDialog(null, item);

      }});
	  } catch (NullPointerException erro) {/* Erro desapareceu */}
      }
      this.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
      }});

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