import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class LiveMenuGUI extends JFrame implements ActionListener 
{
	JMenuItem mi;

	public static void main(String args[]) 
    	{
	    	LiveMenuGUI mg = new LiveMenuGUI();
	}

	public LiveMenuGUI() 
    	{
	      	JPanel south = new JPanel();
	      	JPanel centre = new JPanel();
	      	JButton b1 = new JButton("Quit");
	
	      	b1.addActionListener(this);
	      
	      	south.add(b1);
	
	      	mi = new JMenuItem("Exit");
	
	      	mi.addActionListener(this);
	
	      	JMenu m = new JMenu("File");
	      	m.add(mi);
	
	      	JMenuBar mb = new JMenuBar();
	      	mb.add(m);
	
	      	setJMenuBar(mb);
	
	      	Container c = getContentPane();
	      	c.add(centre,BorderLayout.CENTER);
	      	c.add(south,BorderLayout.SOUTH);
	      	pack();
	
	      	setSize(300,200);
	      	setVisible(true);
	}
	
	public void actionPerformed(ActionEvent ae) 
    	{
	      	String command = ae.getActionCommand();
	      	if(command.equals("Quit")) 
            	{
	        	setVisible(false);
	        	dispose();
	        	System.exit(0);
	      	}
		else if ( ae.getSource ( ) == mi )   
        	{
	        	setVisible(false);
	        	dispose();
	        	System.exit(0);
	      	}
	}
}

(Applet "LaunchLiveMenuGUI" would be displayed here
if Java were available.)