PPT Slide

import javax.swing.*; import javax.swing.event.*;

import java.awt.*; import java.awt.event.*;

public class JSliderTest extends JFrame implements ChangeListener{

JSlider slider; JLabel label; JPanel panel;

public JSliderTest() {

super("Test of Change Events");

this.setSize(400,100);

this.addWindowListener (new WindowAdapter(){

public void windowClosing(WindowEvent e){

System.exit(0); }});

slider = new JSlider(); panel = new JPanel();

label = new JLabel("Value: " + slider.getValue());

panel.add(label); panel.add(slider);

this.getContentPane().setLayout(new FlowLayout());

this.getContentPane().add(panel);

slider.addChangeListener(this);

}

public void stateChanged(ChangeEvent e){

label.setText("Value: " + slider.getValue());

}

public static void main (String arg[]){

new JSliderTest().show();

}}