Winston Tutorial 9 Beeper Program

package com.samkough.main;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;

@SuppressWarnings("serial")
public class Win extends JFrame implements ActionListener
{
	private static final int WIDTH = 600;
	private static final int HEIGHT = 150;

	JButton b1;
	JLabel l1;
	int counter = 0, x = 0;
	String s;

	public Win()
	{
		setLayout(new FlowLayout());
		b1 = new JButton("Click for sound");
		l1 = new JLabel("");

		add(b1);
		add(l1);

		b1.addActionListener(this);
	}

	public void actionPerformed(ActionEvent e)
	{
			// this is the beep sound
			getToolkit().getDefaultToolkit().beep();
			counter++;

			if (x == 0)
			{
				s = "time";
			}
			else if (x == 1)
			{
				s = "times";
			}

			l1.setText("You have clicked " + counter + " " + s + ".");
			x = 1;
	}

	public static void main(String args[])
	{
		Win frame = new Win();

		frame.setVisible(true);
		frame.setSize(WIDTH, HEIGHT);
		frame.setTitle("Beeper");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setLocationRelativeTo(null);
	}
}