Core Java Objective Questions with Answers for Examinations

Questions

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

Answer: Option [C]

2 Primary purpose of inheritance is

A code reuse

B overloading

C overriding

D ignoring irrelevant features from a software

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

Answer: Option [A]

4 In Java programming an object can take many forms. This feature called

A Abstraction

B Polymorphism

C Encapsulation

D Inheritance

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

Answer: Option [B]