Inheritance in Java - Multiple-Choice Questions (MCQs) with Answers

Multiple Choice Quiz

1: What is inheritance in Java?

a) A way to hide the implementation details of a class.
b) A way to create multiple instances of a class.
c) A mechanism by which one class can acquire the properties and behaviors of another class.

2: Which keyword is used to establish inheritance in Java?

a) new
b) inherit
c) extends

3: Which of the following statements is true about multiple inheritance in Java?

a) Java supports multiple inheritance of classes.
b) Java does not support multiple inheritance.
c) Java supports multiple inheritance of interfaces.

4: In Java, a subclass inherits members (fields and methods) from its superclass except:?

a) Private members of the superclass.
b) Protected members of the superclass.
c) Public members of the superclass.

5: Which access modifier allows a subclass to access a member of its superclass?

a) private
b) protected
c) public

6: What is the primary purpose of the super keyword in Java?

a) To call the constructor of the superclass.
b) To create a new instance of the superclass.
c) To access the instance members of the superclass.

7: Which method in a subclass is used to override a method of the superclass?

a) overwrite
b) override
c) overextend

8: If a class does not extend any other class explicitly, which class does it implicitly extend in Java?

a) Object
b) Abstract
c) Parent

9: Which type of relationship best describes inheritance between classes?

a) Composition
b) Aggregation
c) Is-a

10: Which keyword is used to prevent a method in a subclass from being overridden?z

a) locked
b) final
c) override

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