JSeparator Event in Java Example

 import java.awt.*; 
 import javax.swing.*; 
 import java.awt.event.*; 
 public class JavaExampleSeperatorEventInJApplet extends JApplet implements ComponentListener 
  { 
     JSeparator Sprtr = new JSeparator(JSeparator.VERTICAL); 
     Dimension Dimnsn = Sprtr.getPreferredSize(); 
     public void init() 
      { 
         Container Cntnr = getContentPane(); 
         Cntnr.setLayout(new FlowLayout()); 
         Cntnr.add(new JTextField("Welcome To Java")); 
         Cntnr.add(Sprtr); 
         Cntnr.add(new JTextField("Welcome To Java")); 
         addComponentListener(this); 
      }    
         public void componentShown(ComponentEvent e1) 
           { 
              Sprtr.setPreferredSize(new Dimension(Dimnsn.width,getSize().height)); 
              Sprtr.revalidate(); 
           } 
              public void componentResized(ComponentEvent e2) 
              { 
                Sprtr.setPreferredSize(new Dimension(Dimnsn.width,getSize().height)); 
                Sprtr.revalidate(); 
              } 
                public void componentMoved(ComponentEvent e3) {} 
                public void componentHidden(ComponentEvent e4) {} 
  } 
 /*<APPLET CODE =JavaExampleSeperatorEventInJApplet.class WIDTH=410 HEIGHT=210></APPLET>*/