JProgressBar Update in Java Example

 import java.awt.*; 
 import javax.swing.*; 
 import java.awt.event.*; 
 public class JavaExampleProgressBarUpdateInJApplet extends JApplet 
   { 
     JProgressBar PrgsBar = new JProgressBar(); 
     JButton BtnPrgsBr = new JButton("Start The Progress Bar"); 
     public void init() 
     { 
         Container Cntnr = getContentPane(); 
         Cntnr.setLayout(new FlowLayout()); 
         Cntnr.add(PrgsBar); 
         Cntnr.add(BtnPrgsBr); 
         PrgsBar.setStringPainted(true); 
         BtnPrgsBr.addActionListener(new ActionListener() 
           { 
                 public void actionPerformed(ActionEvent e1) 
                  { 
                     PrgsBar.setValue(PrgsBar.getValue() + 10); 
                  } 
           }); 
       } 
    } 
 /*<APPLET CODE=JavaExampleProgressBarUpdateInJApplet.class WIDTH=400 HEIGHT=200></APPLET>*/