import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class AwtButtonActionListenerTestProg {
public static void main (String [] args) {
Frame f = new Frame ();
f.setSize (300, 400);
f.setLocation (100, 100);
f.setVisible (true);
ActionListnr al = new ActionListnr ();
Button b = new Button ();
b.addActionListener (al);
f.add (b);
}
public static class ActionListnr implements ActionListener {
@Override
public void actionPerformed (ActionEvent e) {
System.exit (0);
}
ActionListnr () {}
}
}