public CurrentConditionsDisplay(WeatherData data) { data.AddListener(this); }
public ForecastDisplay(WeatherData data) { data.AddListener(this); }
public StatisticsDisplay(WeatherData data) { data.AddListener(this); }
public CurrentConditionsDisplay(WeatherData data) { data.AddListener(this); }
public ForecastDisplay(WeatherData data) { data.AddListener(this); }
public StatisticsDisplay(WeatherData data) { data.AddListener(this); }