Play sound using Applet in java pgm

Play sound using Applet

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

public class PlaySoundApplet extends Applet

implements ActionListener

{

   Button play,stop;

   AudioClip audioClip;

   public void init()

   {

      play = new Button("  Play in Loop  ");

      add(play);

      play.addActionListener(this);

      stop = new Button("  Stop  ");

      add(stop);

      stop.addActionListener(this);

      audioClip = getAudioClip(getCodeBase(), "Sound.wav");

   }

   public void actionPerformed(ActionEvent ae)

  {

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

      if (source.getLabel() == "  Play in Loop  ")

     {

         audioClip.play();

      } 

      else if(source.getLabel() == "  Stop  ")

     {

         audioClip.stop();

      }

   }

}