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Java MCQ Test Day-2

Authored by Veera Jagadeesh

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University

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Java MCQ Test Day-2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not abstract?

Thread

List

Array

String

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not a correct statement?

Every class containing abstract method must be declared abstract

Abstract class defines only the structure of the class not its implementation

Abstract class can be initiated by new operator

Abstract class can be inherited

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these packages contains abstract keyword?

java.lang

java.io

java.util

java.System

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

what is the output of the following code?

2 2

3 3

Run Time Error

Compile Time Error

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these can be used to fully abstract a class from its implementation?

Object

Package

Abstract Class

Interfaces

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following access specifiers should be used with interfaces?

public

private

protected

default

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct way of implementing an interface salary by class manager?

class manager extends salary {}

class manager implements salary {}

class manager imports salary {}

class manager gets salary{}

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