Modify the starter code by placing the pertinent program code segment that creates the flip - flop action into a JButton where the user can click the button to commence the digital simulation.

import java.awt.Color;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.SwingUtilities;

import javax.swing.Timer;

public class TestTimer

{

private int count = 0;

private Timer timer;

private JLabel label1,label2;

private JTextField text1,text2;

private void initUI()

{

JFrame frame = new JFrame("Flip Flop Java GUI");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

label1 = new JLabel();

label2 = new JLabel();

text1 = new JTextField(10);

text2 = new JTextField(10);

text1.setEnabled(false);

text2.setEnabled(false);

frame.add(label1);

frame.add(text1);

frame.add(label1);

frame.add(text2);

frame.pack();

frame.setLayout(new GridLayout(4, 2));

frame.setSize(300, 300);

frame.setLocationRelativeTo(null);

frame.setVisible(true);

timer = new Timer(1250, new ActionListener()

{

@Override

public void actionPerformed(ActionEvent e)

{

count++;

if (count % 2 == 0)

{

// count++;

label1.setForeground(Color.BLUE);

label2.setForeground(Color.RED);

text1.setBackground(Color.RED);

text2.setBackground(Color.BLUE);

label1.setText("Flop");

}

else

{

label1.setForeground(Color.RED);

label2.setForeground(Color.BLUE);

text1.setBackground(Color.BLUE);

text2.setBackground(Color.RED);

label1.setText("Flip");

}

if(count == 10)

{

timer.stop();

}

}

});

timer.start();

}

public static void main(String[] args)

{

SwingUtilities.invokeLater(new Runnable()

{

@Override

public void run()

{

new TestTimer().initUI();

}

});

}

}