3) The JButton Images demonstration Swing program

source  file name:   ButtonImageDemo.java

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

class ButtonImageDemo extends JFrame 

{

ImageIcon cen=new ImageIcon("center.png");

ImageIcon east=new ImageIcon("east.jpg");

ImageIcon west=new ImageIcon("west.jpg");

ImageIcon north=new ImageIcon("north.jpg");

ImageIcon south=new ImageIcon("south.jpg");

public static void main (String ob[])

{

ButtonImageDemo f=new ButtonImageDemo();

f.setTitle(" Swing Button Images Program");

f.setSize(300,400);

f.setVisible(true);

}

public ButtonImageDemo()

{

FlowLayout fl=new FlowLayout();

setLayout(fl);

JButton b1=new JButton(north);

JButton b2=new JButton(east);

JButton b3=new JButton(cen);

JButton b4=new JButton(west);

JButton b5=new JButton(south);

add(b1);add(b2);add(b3);

add(b4);add(b5);

}

}

output: