Go to a link using an java pgm

Go to a link using an Applet

import java.applet.*;

import java.awt.*;

import java.net.*;

import java.awt.event.*;

public class tesURL extends Applet implements ActionListener

{

   public void init()

   {

      String link = "yahoo";

      Button b = new Button(link);

      b.addActionListener(this);

      add(b);

   }

   public void actionPerformed(ActionEvent ae)

  {

      Button src = (Button)ae.getSource();

      String link = "http://www."+src.getLabel()+".com";

      try

      {

         AppletContext a = getAppletContext();

         URL u = new URL(link);

         a.showDocument(u,"_self");

      }

      catch (MalformedURLException e)

      {

         System.out.println(e.getMessage());

      }

   }

}