Chapter-wise Core Java Objective Questions and Answers on Java Principles Page2

Questions

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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