makeSound()

    import java.io.InputStream;
    import sun.audio.AudioPlayer;
    import sun.audio.AudioStream;
    private InputStream inputStream;
    private AudioStream audioStream;

    public void makeSound() {
        try {
            inputStream = getClass().getResourceAsStream("jump.wav");
            audioStream = new AudioStream(inputStream);
            AudioPlayer.player.start(audioStream);
        }
        catch (Exception e) {
            System.out.println("ERROR!!!");
        }
    }