JFrame frame = new JFrame();
Icon icon = new ImageIcon("rhino.gif");
JButton button = new JButton(icon);
button.addActionListener( new ActionListener() {
public void actionPerformed(ActionEvent ae) {
System.out.println("Urp!");
}
});
frame.getContentPane().add( button );
frame.pack();
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.setVisible(true);
