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

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A: Given: Objects enable the design practice of --------------—although they may know how to…

Q: ability testing. Differentiate between dynamic and static te

A: NOTE: ACCORDING TO COMPANY POLICY WE CAN SOLVE ONLY 1 QUESTION. YOU CAN RESUBMIT THE QUESTION AGAIN…

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Q: Service class, and calls its compute() method to do mathematical calculations. Because the…

A:

Q: Create a Class UML Diagrams using the Design Patterns showing the Observer Design Pattern.

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A:

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A: There is only one constructor in the Course. +Course(courseName : String) It is a parameterized…

Q: classes to trace the

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A: The answer is given in the below step

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A: Answer: We have explain which option is valid.

Q: T/F1. However, implementation classes may be extended, but interface classes cannot

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A: All variables  must have a data type. So option 1,3, and 4 are incorrect

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A: Please find the answer and explanation in the following steps.

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A: Interfaces and abstract classes are both characteristics of object-oriented programming languages.…

Q: From a practical standpoint, interfaces outperform abstract classes.

A: From a practical standpoint, the choice between interfaces and abstract classes depends on the…

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A: ABC implementation is not given and thus just class implementation is shown

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A: The answer :

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A: Answer:

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A: