public void RemoveObserver(WeatherObserver weatherObserver) { weatherObservers.Remove(weatherObserver); }
public void AddObserver(WeatherObserver weatherObserver) { weatherObservers.Add(weatherObserver); }
public void RemoveObserver(WeatherObserver observer) { _weatherObservers.Remove(observer); }
public void RegisterObserver(WeatherObserver observer) { _weatherObservers.Add(observer); }
public abstract void RemoveObserver(WeatherObserver observer);
public abstract void RegisterObserver(WeatherObserver observer);