public CurrentConditionDisplay(Subject weatherData) {
this.weatherData = weatherData;
weatherData.registerObserver(this);
}
public StatisticsDisplay(Subject weatherData) {
this.weatherData = weatherData;
weatherData.registerObserver(this);
}
public ForecastDisplay(Subject weatherdata) {
this.weatherData = weatherdata;
weatherData.registerObserver(this);
}
public RadioReceiver(String name, Subject broadcaster) {
this.broadcaster = broadcaster; // Subject initialiseren
broadcaster.registerObserver(
this); // Observer voegt zichtzelf toe aan de lijst van Observers van het Subject
this.nameReceiver = name;
}
