DEV/DEV.2.1/TP/TP8-Evenements/2.Attente/MainAttente.java

import javax.swing.*;

public class MainAttente {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Attente");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        Attente panneau = new Attente();
        frame.add(panneau);
        frame.addWindowListener(panneau); 

        frame.setSize(500, 500);
        frame.setLocation(500, 250);
        frame.setVisible(true);
    }
}