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


public class Main{

		static JFrame fenetre = new JFrame();
	
	public static void main(String[] args) {

		Boutons pan = new Boutons();
		fenetre.setSize(500, 500);
    	fenetre.setLocation(250, 250);
    	fenetre.addWindowListener(pan);
    	fenetre.add(pan);
		fenetre.setVisible(true);
	}
}