java audio的有关问题

java audio的问题

Java code

public class ShowTable extends JApplet {    private AudioClip sounds;    public void init() {                sounds=getAudioClip(getDocumentBase(),"happytotellyou.wma");        sounds.loop();    }    public void start() {        sounds.loop();    }        public void stop()    {        sounds.stop();    }    }