Make an event driven Fruit Salad using RXJava Observable combineLatest

FruitSalad

 Observable<Orange> oranges = BehaviorSubject.create();
 Observable<Apple> apples = BehaviorSubject.create();

 Observable<FruitSalad> salad = Observable.combineLatest(oranges, apples, (o, a) ->  
   new FruitSalad(o, a); 
 );