Scheduler sch=new Scheduler();
sch.setListener(new Listener());
sch.add(new MyThread("Bela"));
sch.add(new MyThread("Janet"));
sch.add(new MyThread("Ralph"));
sch.start();
sch.add(new MyThread("Frank"));
sch.add(new MyThread("Marco"));
Util.sleep(1000);
sch.addPrio(new MyThread("Gabi"));