Java Programming MCQs SET-5

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This page provide 20 Multiple choice question with Answer that is very useful of Computer science students like preparation of many exam Like ( ISRO,DRDO ,Semester, Interview, TCS , Railway & another Government Sector)

❤️ TOP 500+ C Programming Question and Answer

Java Programming

Java is a widely used object-oriented programming language and software platform that runs on billions of devices, including notebook computers, mobile devices, gaming consoles, medical devices and many others. The rules and syntax of Java are based on the C and

 

Q.81 Which of the following is not OOPS concept in java

A) Inheritance
B) Encapsulation
C) Polymorphism 
D) Compilation

ANSWER= (D) Compilation

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Q.82 Which of these keywords is used to make a class

A) Class
B) Struct
C) Int 
D) None of the mentioned

ANSWER= (A) Class

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Q.83 What is the return type of a method that does not return any value

A) Int
B) Float
C) Void 
D) Double

ANSWER= (C) Void

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Q.84 Method having same name as its class name is

A) Int
B) Enum
C) Constructor 
D) Argument

ANSWER= (C) Constructor

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Q.85 Which method can be defined only once in a program

A) Main method
B) Finalize method
C) Static method 
D) Private method

ANSWER= (A) Main method

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Q.86 Size of an integer can bem

A) -2^31 to 2^31-1
B) 0 to -2^16
C) -2^8 to 2^8 -1 
D) -2^15 to 2^15 -1

ANSWER= (D) -2^15 to 2^15 -1

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Q.87 Which of the following assignment operator doesn’t exist in java

A) >>
B) %=
C) >>>
D) <<

ANSWER= (C) >>>

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Q.88 Which loop is always executed once

A) For
B) For each
C) Do-while
D) While

ANSWER= (C) Do-while

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Q.89 Which of the following is not valid flow control statement

A) Break;
B) Continue outer;
C) Return;
D) Exit();

ANSWER= (D) Exit();

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Q.90 A top level class may have which one of the following access modifiers

A) Package
B) Private
C) protected
D) public

ANSWER= (D) public

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Q.91 A subclass in also called as

A) Inner class
B) Nested class
C) Derived class
D) Hidden class

ANSWER= (C) Derived class

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Q.92 Which of the following is not a wrapper class

A) Vector
B) Character
C) Boolean
D) Integer

ANSWER= (A) Vector

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Q.93 A default constructor has

A) No arguments
B) Has no return type
C) Has one argument but no return type
D) Has two arguments

ANSWER= (A) No arguments

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Q.94 Math class belongs to the package

A) Java.math
B) Java.lang
C) Java.util
D) None of these

ANSWER= (B) Java.lang

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Q.95 A package is a collection of

A) Classes
B) Interfaces
C) Editing tools
D) Class and interfaces

ANSWER= (D) Class and interfaces

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Q.96 Primary purpose of inheritance is

A) Code reuse
B) Overloading
C) Overriding
D) None of the above

ANSWER= (A) Code reuse

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Q.97 Which method/methods cannot be overridden

A) Static
B) Final
C) Only (a)
D) Both (a) and (b)

ANSWER= (D) Both (a) and (b)

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Q.98 Which of the following does not deal with exceptions

A) Throws
B) Throw
C) Finalize
D) Finally

ANSWER= (C) Finalize

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Q.99 What is the default priority of a thread in java

A) 10
B) 5
C) 3
D) 1

ANSWER= (B) 5

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Q.100 The class at the top of the AWT hierarchy is

A) Component
B) Window
C) Container
D) Frame

ANSWER= (A) Component

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