Example

import javax.swing.*;

import javax.swing.event.*;

import java.awt.*;

import java.awt.event.*;

public class EventDemo extends Jframe {

JSlider width = new JSlider(JSlider.HORIZONTAL, 1, 450, 75);

JSlider height = new JSlider(JSlider.VERTICAL, 1, 450, 75);

public EventDemo(){

/* load image */

Toolkit tk = Toolkit.getDefaultToolkit();

Icon icon = new DynamicIcon

(tk.getImage("goldenrod_motto_new.JPG"), width, height);

final JLabel dynamicLabel = new JLabel(icon);

/* anonymous inner class listener */

class Updater implements ChangeListener {

public void stateChanged(ChangeEvent ev) {

dynamicLabel.repaint();

}

};