Anstoßen mit SensorListeners

u import josx.platform.rcx.*;

class MoveForward {
  private static void waitUntilWeHitSomething() {
    CollisionDetector d = new CollisionDetector();

    Sensor.S1.activate();
    Sensor.S1.addSensorListener(d);

synchronized(Sensor.S1) {
  try {
        Sensor.S1.wait();
  } catch (Exception e) { }
    }
  }
}