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Headfirst Book - No Output of this program

 
Greenhorn
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import javax.sound.midi.*;
public class MiniMiniMusicApp
{
public static void main (String [] args)
{
MiniMiniMusicApp mini = new MiniMiniMusicApp();
mini.play();
}
public void play()
{
try
{
Sequencer play = MidiSystem.getSequencer();
player.open();
Sequencer seq = new Sequence(Sequence.PPQ, 4);
Track track = seq.createTrack();

ShortMessage a = new ShortMessage();
a.setMessage(144, 1, 44, 100);
MidiEvent noteOn = new MidiEvent(a, 1);
track.add(noteOn);

ShortMessage b = new ShortMessage();
b.setMessage(128, 1, 44, 100);
MidiEvent noteOn = new MidiEvent(b,16);
track.add(noteOn);

player.setSequence(seq);
player.start();
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
}
 
Ranch Hand
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no audio output?
please use the CODE tags,
there's prob'ly a more appropriate forum,
 
Consider Paul's rocket mass heater.
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