Execute the following

PushCounter class and PushCounterPanel class.

import javax.swing.JFrame;

public class PushCounter

{

//-----------------------------------------------------------------

// Creates and displays the main program frame.

//-----------------------------------------------------------------

public static void main(String[] args)

{

JFrame frame = new JFrame("Push Counter");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

PushCounterPanel panel = new PushCounterPanel();

frame.getContentPane().add(panel);

frame.pack();

frame.setVisible(true);

}

}

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class PushCounterPanel extends JPanel

{

private int count;

private JButton push;

private JLabel label;

//-----------------------------------------------------------------

// Constructor: Sets up the GUI.

//-----------------------------------------------------------------

public PushCounterPanel()

{

count = 0;

push = new JButton("Push Me!");

label = new Jlabel();

push.addActionListener(new ButtonListener());

add(push);

add(label);

setBackground(Color.cyan);

setPreferredSize(new Dimension(300, 40));

} //*****************************************************************

// Represents a listener for button push (action) events.

//*****************************************************************

private class ButtonListener implements ActionListener

{

public void actionPerformed(ActionEvent event)

{

count++;

label.setText("Pushes: " + count);

}

}

}