Listing of Listener1.java

// Swing implementation

import java.applet.Applet;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class Listener1 extends Applet implements ActionListener

{

public Listener1()

{

　　super();

　　Button myButton = new Button ("Click me!");

　　add(myButton);

　　myButton.addActionListener(this);

}

public void actionPerformed (ActionEvent e)

{

　　// Do something here when the user clicks the button

　　// display a window saying "ouch"

　　// (JoptionPane is a 'Swing' component)

　　JOptionPane.showMessageDialog(null, "ouch!");

}

} // class

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