问Java声音文件不是Playing3

EN

  import java.io.IOException;
 import java.net.URL;
 import javax.sound.sampled.AudioInputStream;
  import javax.sound.sampled.AudioSystem;
  import javax.sound.sampled.Clip;
 import javax.sound.sampled.DataLine;
 import javax.sound.sampled.LineUnavailableException;
 import javax.sound.sampled.Mixer;
 import javax.sound.sampled.UnsupportedAudioFileException;
 import sun.applet.Main;


 public class Sound1 {


 public static Mixer mixer;
 public static Clip clip;
 public static void main(String[] args)          {              
    // TODO code application logic here
    Mixer.Info[] mixinfo =AudioSystem.getMixerInfo();
     for(Mixer.Info info :mixinfo)
    {
        System.out.println(info.getName()+"...."+info.getDescription());
        mixer = AudioSystem.getMixer(mixinfo[0]);

    }
        DataLine.Info datainfo =new DataLine.Info(Clip.class, null);

        try
        {
            clip =(Clip)mixer.getLine(datainfo);
        }
        catch(LineUnavailableException lue)
        {
            lue.printStackTrace();
        }
        try
        {
            URL soundurl = Main.class.getResource("1.wav");
            AudioInputStream audiostream =                                 `enter code here`AudioSystem.getAudioInputStream(soundurl);
            clip.open(audiostream);

        }
        catch(LineUnavailableException lue)
        {
            lue.printStackTrace();
        }
        catch(IOException ioe)
        {
            ioe.printStackTrace();
        }

        clip.start();

        do
        {
            try { Thread.sleep(50);}
            catch (InterruptedException ie){ ie.printStackTrace();}
        }while(clip.isActive());

          }

         }