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Questions and Answers
What is a superclass in Java?
What is a superclass in Java?
- A class that cannot be subclassed
- Any class above a specific class in the class hierarchy (correct)
- A class that is not part of the Java API
- A class that can only have one subclass
How is a class derived in Java?
How is a class derived in Java?
- By using the derives keyword
- By using the inherits keyword
- By using the extends keyword (correct)
- By using the inheritsFrom keyword
What is a subclass in Java?
What is a subclass in Java?
- A class that cannot inherit from a superclass
- Any class below a specific class in the class hierarchy (correct)
- A class that is not part of the Java API
- A class that is not allowed to override methods
What is a benefit of inheritance in OOP?
What is a benefit of inheritance in OOP?
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What does a subclass need to implement in relation to its superclass?
What does a subclass need to implement in relation to its superclass?
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