GUI Radio Button

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.util.*;

public class RadioButtonSample extends JFrame implements ActionListener

{

private static final int boxW = 800;

private static final int boxH = 450;

private static final int box_X_o = 180;

private static final int box_Y_o = 200;

private JLabel label;

private JRadioButton first;

private JRadioButton second;

private JRadioButton third;

private JRadioButton fourth;

private JRadioButton fifth;

private JButton oKButton;

public RadioButtonSample()

{

setTitle ("Button Sample");

setSize (boxW ,boxH);

setLocation (box_X_o , box_Y_o);

// Container contentPane = getContentPane();

// contentPane.setBackground(Color.white);

// contentPane.setLayout(null);

oKButton = new JButton("Ok");

// oKButton.setBounds(610, 375, 80, 30);

// contentPane.add(oKButton);

// oKButton.addActionListener(this);

first = new JRadioButton("First");

second = new JRadioButton("Second");

third = new JRadioButton("Third");

fourth = new JRadioButton("Fourth");

fifth = new JRadioButton("Fifth");

JPanel panel = new JPanel();

panel.add(first);

panel.add(second);

panel.add(third);

panel.add(fourth);

panel.add(fifth);

panel.add(oKButton);

ButtonGroup bg = new ButtonGroup();

bg.add(first);

bg.add(second);

bg.add(third);

bg.add(fourth);

bg.add(fifth);

bg.add(oKButton);

first.addActionListener(this);

second.addActionListener(this);

third.addActionListener(this);

fourth.addActionListener(this);

fifth.addActionListener(this);

oKButton.addActionListener(this);

label = new JLabel("Roseindia.net");

getContentPane().add(panel, BorderLayout.NORTH);

getContentPane().add(label, BorderLayout.CENTER);

getContentPane().setSize(400, 400);

getContentPane().setVisible(true);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public void actionPerformed(ActionEvent e)

{

label.setText(e.getActionCommand());

JOptionPane.showMessageDialog(null, "This is the " + e.getActionCommand() + " radio button.");

}

public static void main(String[] args)

{

RadioButtonSample sr = new RadioButtonSample();

sr.setVisible(true);

}

}