// Beeper.java import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Beeper extends JApplet implements ActionListener { JButton button; public void init() { Container c = getContentPane(); c.setLayout(new FlowLayout()); button = new JButton("Click Me"); c.add(button); button.addActionListener(this); } public void actionPerformed(ActionEvent e) { Toolkit.getDefaultToolkit().beep(); } }