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I.1 Evidence
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MULTIPLE CHOICE: If you don’t specify the parent class in a class declaration which of the following is true?
1 point
It doesn't have a parent class.
It inherits from the Object class.
It inherits from the Default class.
It inherits from the Parent class.
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MULTIPLE CHOICE: If the class Vehicle has the instance fields make and model and the class Car inherits from the class Vehicle, will a car object have a make and model?
1 point
Yes
No
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MULTIPLE CHOICE: If I had a class ParkingGarage should it inherit from the class Vehicle?
1 point
Yes
No
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MULTIPLE CHOICE: In Java how many parents can a class have?
1 point
0
1
2
infinite
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MULTIPLE CHOICE: An online store is working on an online ordering system for Books and Movies. For each type of Published Material (books and movies) they need to track the id, title, date published, and price. Which of the following would be the best design?
1 point
Create one class PublishedMaterial with the requested attributes.
Create classes Book and Movie and each class has the requested attributes.
Create the class PublishedMaterial and have Book and Movie inherit from it all the listed attributes.
Create one class BookStore with the requested attributes.
Create classes for PublishedMaterial, Books, Movies, Title, Price, ID, Authors, DatePublished
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MULTIPLE CHOICE: An online site shows information about Books and Authors. What kind of relationship do these two classes have?
1 point
An is-a relationship. The Author class should be a subclass of the Book class.
An is-a relationship. The Book class should be a subclass of the Author class.
A has-a relationship. The Book class has an Author attribute.
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MULTIPLE CHOICE: What Java keyword is used to set up an inheritance relationship between a subclass and a superclass?
1 point
superclass
parent
extends
class
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RELEASED AP PRACTICE QUESTION:
1 point
A
B
C
D
E
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RELEASED AP PRACTICE QUESTION:
1 point
A
B
C
D
E
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RELEASED AP PRACTICE QUESTION:
1 point
A
B
C
D
E
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RELEASED AP PRACTICE QUESTION:
1 point
A
B
C
D
E
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RELEASED AP PRACTICE QUESTION:
1 point
A
B
C
D
E
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