import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.awt.Color;

public class JMenuFrame extends JFrame implements

ActionListener

{

private JMenuBar mainBar = new JMenuBar();

private JMenu menu1 = new JMenu("File");

private JMenu menu2 = new JMenu("Colors");

private JMenuItem exit = new JMenuItem("Exit");

private JMenu bright = new JMenu("Bright");

private JMenuItem dark = new JMenuItem("Dark");

private JMenuItem white = new JMenuItem("White");

private JMenuItem pink = new JMenuItem("Pink");

private JMenuItem yellow = new JMenuItem("Yellow");

private JLabel label = new JLabel("Hello");

public JMenuFrame()

{

setLayout(new FlowLayout());

setJMenuBar(mainBar);

mainBar.add(menu1);

mainBar.add(menu2);

menu1.add(exit);

menu2.add(bright);

menu2.add(dark);

menu2.add(white);

bright.add(pink);

bright.add(yellow);

exit.addActionListener(this);

dark.addActionListener(this);

white.addActionListener(this);

pink.addActionListener(this);

yellow.addActionListener(this);

add(label);

label.setFont(new Font("Arial", Font.BOLD, 26));

}

@Override

public void actionPerformed(ActionEvent e)

{

Object source = e.getSource();

Container con = getContentPane();

if(source == exit)

System.exit(0);

else if(source == dark)

con.setBackground(Color.BLACK);

else if(source == white)

con.setBackground(Color.WHITE);

else if(source == pink)

con.setBackground(Color.PINK);

else con.setBackground(Color.YELLOW);

}

public static void main(String[] args)

{

JMenuFrame mFrame = new JMenuFrame();

final int WIDTH = 250;

final int HEIGHT = 200;

mFrame.setSize(WIDTH, HEIGHT);

mFrame.setVisible(true);

}

}