// This example is from the book _Java AWT Reference_ by John Zukowski.
// Written by John Zukowski.  Copyright (c) 1997 O'Reilly & Associates.
// You may study, use, modify, and distribute this example for any purpose.
// This example is provided WITHOUT WARRANTY either expressed or
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class NewButtonTest11 extends Applet implements ActionListener {
    Button b;
    public void init () {
        enableEvents (AWTEvent.CONTAINER_EVENT_MASK);
        add (b = new Button ("One"));
        add (b = new Button ("Two"));
        add (b = new Button ("Three"));
        add (b = new Button ("Four"));
    }
    protected void processContainerEvent (ContainerEvent e) {
        if (e.getID() == ContainerEvent.COMPONENT_ADDED) {
            if (e.getChild() instanceof Button) {
                Button b = (Button)e.getChild();
                b.addActionListener (this);
            }
        }
    }
    public void actionPerformed (ActionEvent e) {
        System.out.println ("Selected: " + e.getActionCommand());
    }
}