How can PublishSubject and BehaviorSubject be unsubscribed from?

Question

Under the subjects package you have classes like PublishSubject and BehaviorSubject which I suppose can be described as some usable sa

Answer 1

All Subjects extend Observable which you can subscribe to using any of the multiple subscribe(...) methods. Call to any of the subscribe(...) methods returns a Subscription.

Subscription subscription = anySubject.subscribe(...);

Use this subscription instance's unsubscribe() method when you want to stop listening to the events from the Subject.

subscription.unsubscribe();