import javax.sound.midi.*;
public class Klavier {
public void spielen(){
try{
Sequencer player = MidiSystem.getSequencer();
player.open();
Sequence 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 noteOff = new MidiEvent(b,16);
track.add(noteOff);
player.setSequence(seq);
player.start();
Thread.sleep(5000);
player.close();
}catch(Exception e){
e.printStackTrace();
}
}
public static void main(String... args){
Klavier k = new Klavier();
k.spielen();
}
}