audio - How can I play a .wav file in Java? -

i've tried dozens of tutorials haven't been able of them working. want .wav file play in background of application.

see: how play .wav file jbutton?

public void playsound(string soundname)  {    try     {     audioinputstream audioinputstream = audiosystem.getaudioinputstream(new file(soundname).getabsolutefile());     clip clip = audiosystem.getclip();     clip.open(audioinputstream);     clip.start();    }    catch(exception ex)    {      system.out.println("error playing sound.");      ex.printstacktrace( );    }  }