Java Programming Tutorial - 63 - JButton Final Program

package apples;

import java.awt.FlowLayout;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import javax.swing.JFrame;

import javax.swing.JButton;

import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JOptionPane;

public class Gui extends JFrame {

private JButton reg;

private JButton custom;

public Gui() {

super("The title");

setLayout(new FlowLayout());

reg = new JButton("reg Button");

add(reg);

Icon b = new ImageIcon(getClass().getResource("b.png"));

Icon x = new ImageIcon(getClass().getResource("x.png"));

custom = new JButton("Custom", b);

custom.setRolloverIcon(x);

add(custom);

HandlerClass handler = new HandlerClass();

reg.addActionListener(handler);

custom.addActionListener(handler);

}

private class HandlerClass implements ActionListener {

public void actionPerformed (ActionEvent event) {

JOptionPane.showMessageDialog(null, String.format("%s", event.getActionCommand()));

}

}

}

package apples;

import javax.swing.JFrame;

public class apples  {

public static void main (String[] args) {

Gui go = new Gui();

go.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 

go.setSize(300, 200);

go.setVisible(true);

} 

 }