Constructors And Methods - Study Mode

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[#1] Which of the following is a method having same name as that of it's class?

(A) finalize

(B) delete

(C) class

(D) constructor

Correct Answer

(D) constructor

[#2] Which concept of Java is a way of converting real world objects in terms of class?

(A) Polymorphism

(B) Encapsulation

(C) Abstraction

(D) Inheritance

Correct Answer

(C) Abstraction

[#3] Which component is responsible to optimize bytecode to machine code?

(A) JVM

(B) JDK

(C) JIT

(D) JRE

Correct Answer

(C) JIT

[#4] What is it called where child object gets killed if parent object is killed?

(A) Aggregation

(B) Composition

(C) Encapsulation

(D) Association

Correct Answer

(B) Composition

[#5] Which of these keywords is used to make a class?

(A) class

(B) struct

(C) int

(D) none of the mentioned

Correct Answer

(A) class