2730627
Description
Quiz by joannazhang13, updated more than 1 year ago
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Created by joannazhang13
almost 9 years ago
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Question 1
Question
An abstract class is a superclass
Answer
- True
- False
Question 2
Question
An abstract class can be instantiated
Answer
- True
- False
Question 3
Question
Abstract methods are not implemented.
Answer
- True
- False
Question 4
Question
A concrete class can contain abstract methods.
Answer
- True
- False
Question 5
Question
An abstract class is declared with keyword abstract.
Answer
- True
- False
Question 6
Question
A subclass will always be concrete even it if doesn't implement all of the abstract methods of its superclass.
Answer
- True
- False
Question 7
Question
An abstract class can have instance variables.
Answer
- True
- False
Question 8
Question
An abstract class can have no abstract methods.
Answer
- True
- False
Question 9
Question
An abstract class cannot have concrete methods.
Answer
- True
- False
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