Hi,


import javax.swing.*;
import java.awt.*;

public class IconButtonDemo{
public static void main(String[] args){
JFrame frame = new JFrame("Icon on button");
JButton button = new JButton("Roseindia.net");
Icon imgicon = new ImageIcon("icon_confused.gif");
JPanel panel = new JPanel();
button.setIcon(imgicon);
panel.add(button);
frame.add(panel, BorderLayout.NORTH);
frame.setSize(400, 400);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}

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Visit for more information.

http://www.roseindia.net/java/example/java/swing/

Thanks.