Unit 4 Quiz

Question 1

Inheritance implements a _______ relationship?

Answer 1

Is-a

Question 2

When classes are related where one class defines common features for other classs, this type of class forms a(n) ________?

Answer 2

Inheritance hierarchy

Question 3

A _______ class refers to any of the classes below a particular class in an inheritance hierarchy?

Answer 3

Descendent

Question 4

Inheritance allows you to re-use code that was written for another context.

Answer 4

True

Question 5

When deciding on the relationship between two classes it is extremely hard to determine if you should use inheritance or composition.

T or F

Answer 5

False

Question 6

Aggregation and composition both implement a ______ relationship?

Answer 6

has-a

Question 7

What modifier do you use to prevent a class from having any subclasses?

Answer 7

final

Question 8

When a subclass has a method with the same name, the same sequence of parameter types, and the same return type as a method in a superclass, this is called:

Answer 8

Method Overriding

Question 9

Global stuff takes precedence over local stuff.

T or F

Answer 9

False

Question 10

You can access an overridden method by prefixing the common method name with _____ and then a dot.

Answer 10

super