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 | package test;
 
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
 
import javax.swing.AbstractButton;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
 
public class Fenetre extends JFrame implements ActionListener {
	/**
         * 
         */
	private static final long serialVersionUID = 1L;
	private JPanel pan = new JPanel();
	protected ImageIcon b1;
	protected ImageIcon b2;
 
	public Fenetre() {
 
		this.setTitle("Test");
		this.setSize(450, 500);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setResizable(false);
		this.setLocationRelativeTo(null);
		setLayout(new GridLayout(5, 5, 0, 0));
 
		JButton[] b = new JButton[25];
		for (int i = 0; i < b.length; i++) {
			b1 = new ImageIcon("b1.gif");
			b2 = new ImageIcon("b2.gif");
			b[i] = new JButton(b1);
			b[i].addActionListener(this);
 
			pan.add(b[i]);
		}
		setContentPane(pan);
	}
 
	{
 
		this.setContentPane(pan);
		this.setVisible(true);
	}
 
	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		JButton b = (JButton) (e.getSource());
		ImageIcon mImageIconButton = (ImageIcon) b.getIcon();
 
		if (mImageIconButton.getDescription().equals(b1.getDescription())) {
			b.setIcon(b2);
		} else if (mImageIconButton.getDescription()
				.equals(b2.getDescription())) {
			b.setIcon(b1);
		}
	}
 
} | 
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