import java.awt.BorderLayout;

import java.awt.Graphics;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.Box;

import javax.swing.BoxLayout;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

public class Jack extends JFrame {

private JLabel imageLabel;

private class JackWindowListener extends WindowAdapter {

public void windowClosing(WindowEvent e) {

int choice = JOptionPane.showConfirmDialog(

Jack.this,

"Do you really want to exit?",

"Exit for reals?",

JOptionPane.OK_CANCEL_OPTION

);

if (choice == JOptionPane.YES_OPTION) {

System.exit(0);

}

}

}

public Jack() {

// Need to set DO_NOTHING_ON_CLOSE so we can handle window closing

setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);

// Confirm exit before exiting program

addWindowListener(new JackWindowListener());

imageLabel = new JLabel();

add(imageLabel, BorderLayout.CENTER);

add(createButtonBox(), BorderLayout.SOUTH);

pack();

}

private Box createButtonBox(){

JButton jackButton = new JButton("Show Jack of Hearts");

ImageIcon buttonIcon = new ImageIcon("New16.gif");

jackButton.setIcon(buttonIcon);

ActionListener jackListener = new ActionListener() {

public void actionPerformed(ActionEvent e) {

ImageIcon jackIcon = new ImageIcon("JACK-HEARTS.png");

imageLabel.setIcon(jackIcon);

pack();

}

};

jackButton.addActionListener(jackListener);

Box buttonBox = new Box(BoxLayout.X_AXIS);

buttonBox.add(jackButton);

return buttonBox;

}

public static void main(String[] args) {

Jack j = new Jack();

j.setVisible(true);

}

}