Devry CIS 247 Week 5 Quiz Latest

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Devry CIS 247 Week 5 Quiz Latest

1. 1.Question : (TCO 3) Which of the following is/are the mechanism(s) for code reuse?

Inheritance

Composition

Inheritance and composition

None of the above

Question 2. Question : (TCO 4) Which of the following is true about inheritance?

Child classes are more generalized than their associated parent classes.

Inheritance demonstrates the generalization/specialization relationship.

Parent classes are more specialized than their associated child classes.

Parent classes contains more functionality than child classes.

Question 3. Question : (TCO 4) Select the parent class.

Barking Dog

Yodeling Dog

Golden Retriever

Dog

Question 4. Question : (TCO 4) Which of the following is not a good example of a hierarchy that could be modeled by inheritance?

Airplanes

Geometric shapes

Animals

Prime numbers

Question 5. Question : (TCO 4) Which of the following examples represent(s) the “is-a” relationship in the parent/child format?

dog/cat

rectangle/circle

checking account/saving account

None of the above

Question 6. Question : (TCO 3) What is/are the reason(s) to use inheritance?

Labor division

Introducing modularity into program

Reusing design

All of the above

Question 7. Question : (TCO 3) If class B is inherited from class A, which of the following statements is true?

Class A has access to the methods and fields of class B.

Class A has access to the methods and fields of class B and class B’s subclasses.

Class B does not have access to the methods and fields of class A.

Class B has access to the methods and fields of class A.

Question 8. Question : (TCO 4) Which accessibility modifier is most general?

Private

Default

Public

Protected

Question 9. Question : (TCO 4) Which of the following refers to a class that inherits from a parent class?

Child classes

Derived classes

Subclass classes

All of the above

Question 10. Question : (TCO 6) Which of the following are benefits of using inheritance?

Smaller chance of errors

Ease of use for users of class

Time saving

All of the above

 

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Devry CIS 247 Week 5 Quiz Latest