public void SetCarToParking(CarSubject car)
{
if (_parkingPlaces > 1)
{
this.cars.Add(car);
_parkingPlaces--;
NotifyObserversAboutParkingPlaces();
}
}
public void RemoveCarfromParking(CarSubject car)
{
this.cars.Remove(car);
NotifyObserversAboutParkingPlaces();
_parkingPlaces++;
}