Object Oriented Design Interview Questions

Object Oriented Design interview questions

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Total Questions: 5

1. Choose the incorrect statement in terms of Objects.

A. Objects are abstractions of real-world

B. Objects can’t manage themselves

C. Objects encapsulate state and representation information

D. All of the mentioned

Correct Answer is : Objects can’t manage themselves

2. What encapsulates both data and data manipulation functions ?

A. Object

B. Class

C. Super Class

D. Sub Class

Correct Answer is : Object

3. Which of the following is a mechanism that allows several objects in an class hierarchy to have different methods with the same name?

A. Aggregation

B. Polymorphism

C. Inheritance

D. All of the mentioned

Correct Answer is : Polymorphism

4. How is generalization implemented in Object Oriented programming languages?

A. Inheritance

B. Polymorphism

C. Encapsulation

D. Abstract Classes

Correct Answer is : Inheritance

5. Which of the following is a disadvantage of OOD ?

A. Easier maintenance

B. Objects may be understood as stand-alone entities

C. Objects are potentially reusable components

D. None of the mentioned

Correct Answer is : None of the mentioned

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