Principles of Java - Core Java Objective Type Questions with Answers

(6) In Java InheritanceMultiple inheritance is possible in java by means of

[A] package

[B] object

[C] interfaces

[D] class

Answer: Option [C]

(7) Method overloading

[A] is a technique for implementing abstraction

[B] is a technique for implementing polymorphism

[C] is a technique for implementing encapsulation

[D] none of the above

Answer: Option [B]

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(8) Which of the following keyword is used to invoke superclass of an overridden method?

[A] native

[B] new

[C] super

[D] static

Answer: Option [C]

(9) Which method/methods cannot be overridden?

[A] static

[B] final

[C] only [A]

[D] both [A] and [B]

Answer: Option [D]

(10) Select the correct statement

[A] Method overloading is called compile time polymorphism

[B] Method overriding is called runtime polymorphism

[C] Only [B] is correct

[D] Both [A] and [B] are correct

Answer: Option [D]

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