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

 class Fenetre extends JFrame implements KeyListener
 {
     private JLabel etiket1, etiket2, etiket3; private Container c;

     public Fenetre()
     {
          setTitle("evenement clavier");
          setSize(400, 200);
          c = getContentPane();

          etiket1 = new JLabel("touche apppuyée");
          c.add(etiket1, "North");

          etiket2 = new JLabel("touche relâchée");
          c.add(etiket2);

          etiket3 = new JLabel("touche tapée");
          c.add(etiket3, "South");

          addKeyListener(this);
          setDefaultCloseOperation(3);
     }

     public void keyPressed(KeyEvent k)
     {
          etiket1.setText("Vous avez appuyé sur la touche " + k.getKeyChar());
     }

     public void keyReleased(KeyEvent k)
     {
          etiket2.setText("Vous avez relaché la touche " + k.getKeyChar());
     }

     public void keyTyped(KeyEvent k)
     {
          etiket3.setText("Vous avez tapé la touche " + k.getKeyChar());
     }

}

public class EvenementClavier
{
     public static void main(String [] args)
     {
          JFrame f = new Fenetre();
          f.setVisible(true);
     }
}