[Java] Playing Sound

// If the left mouse button is held down, create a new projectile.
if(Globals.buttons[0] && !player.isOnCooldown()) {
    createParticle(pAngle);
    Runnable soundPlayThread = new Runnable() {
        @Override
        public void run() {
            Sounds.RIFLE.play();
        }
    };
    new Thread(soundPlayThread).start();
}