<>Subject+addObserver(o : Observer)+removeObserver(o: Observer)+notify Observers()<>1Observer+handleNotification()0.*Concrete Subject+getState() : ConcreteSubjectStateConcreteObserver+handleNotification()handleNotification() calls getState() Theclass object is added to theclass object.When a state change is recognized, themethodin theinterface is called.The ConcreteObserverthe Observer interface.

The ConcreteSubject class object is added to ConcreteObserver class object

Answered: <> Subject +addObserver(o : Observer)…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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<> Subject +addObserver(o : Observer) +removeObserver[o: Observer) +notify Observers() <> Observer +handleNotification() 1 ConcreteSubject ConcreteObserver +handleNotification() +getState() : ConcreteSubjectState handleNotification() calls getState()