ObserverPattern

CurrentConditionsObserver

-weatherData : WeatherData- temp : float- humidity : float- pressure : float

Observer

Subject

+registerObserver(Observer)+removeObserver(Observer)+notifyObserver()

AverageConditionsObserver

-weatherData : WeatherData- temps : ArrayList- humiditys : ArrayList- pressures : ArrayList

WeatherData

-observers : ArrayList- temp : float- humidity : float- pressure : float

+registerObserver(Observer)+removeObserver(Observer)+notifyObserver()+setMeasurements()

Client

+main(String[])