import javax.swing.*;
import java.awt.event.*;
public class Driver 
{
    public static void main(String[] args) 
    {
	   JFrame f = new JFrame();
	   JPanel p = new JPanel();
        f.setSize(640,480);
        f.add(p);

	   JButton makePopup = new JButton "Popup");
	   JButton goesInvisible = new JButton("Press me");
	   JButton quitProgram = new JButton("Quit");
	   MyListener simpleListener = new MyListener();
	   /*
        Para1 = x coordinate, Para2 = y coordinate, Para3 = 
        width, Para4 = height
        */
	   f.setBounds(0,0,300,200);
	   p.add(goesInvisible);
	   p.add(makePopup);
	   p.add(quitProgram);

	   makePopup.setActionCommand("popup");
	   goesInvisible.setActionCommand("press");
	   quitProgram.setActionCommand("quit");

	   // Register simpleListener as a listener to when the 
        // buttons get pressed
	   goesInvisible.addActionListener(simpleListener);
	   makePopup.addActionListener(simpleListener);
	   quitProgram.addActionListener(simpleListener);
	
  	   // Make the frame visible
	   f.setVisible(true);
    }
}