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Core Java Objective Questions with Answers for Examinations

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Core Java objective questions and answers for examinations set with five mcqs from chapter Principles of Java. Each quiz multiple choice question has 4 options as possible answers. Choose your option and view given correct answer.
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(1) In Java Inheritance
[A] all fields of a class are private
[B] all fields of a class are protected
[C] a new class is derived from an existing class
[D] none of these above

Comment

Answer: Option [C]
(2) Primary purpose of inheritance is
[A] code reuse
[B] overloading
[C] overriding
[D] ignoring irrelevant features from a software

Comment

Answer: Option [A]

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(3) Which of the following modifiers can be used to disallow a method from being overridden?
[A] final
[B] transient
[C] volatile
[D] none of these above

Comment

Answer: Option [A]
(4) In Java programming an object can take many forms. This feature called
[A] Abstraction
[B] Polymorphism
[C] Encapsulation
[D] Inheritance

Comment

Answer: Option [B]
(5) A method cannot be overridden if it is qualified by which one of the following modifier?
[A] friendly
[B] final
[C] static
[D] none of these above

Comment

Answer: Option [B]

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