import java.applet.Applet ;
import java.awt.* ;
import java.awt.event.* ;

public class Exemple2 extends Applet implements ActionListener {
  private Button ok ;
  private TextField tf1 ;
  private TextField tf2 ;
  private Checkbox cb ;
  private Label lb ;

  public void init() {
    setLayout(new GridLayout(4,2,10,10));
    add(new Label("2+2 = 4 ?"));
    add(cb = new Checkbox());
    add(new Label("3*4 = ?"));
    add(tf1 = new TextField(10));
    add(new Label("Marignan"));
    add(tf2 = new TextField(10));
    add(ok = new Button("Résultat"));
    ok.addActionListener(this) ;
    add(lb = new Label("",Label.CENTER));
    }

  public void actionPerformed(ActionEvent e) {
    int r = 0 ;
    if ( cb.getState() )
      r++ ;
    if ( tf1.getText().equals("12") )
      r++ ;
    if ( tf2.getText().equals("1515") )
      r++ ;
    lb.setText(r+" bonne(s) reponse(s)") ;
    } 
  }