Java MCQ Quiz

Java MCQ Quiz

University

40 Qs

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Java MCQ Quiz

Java MCQ Quiz

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Hard

Created by

vin vin

Used 1+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Number of primitive data types in Java are?

8

7

6

9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of float and double in java?

32 and 64

64 and 64

32 and 32

64 and 32

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Automatic type conversion is possible in which of the possible cases?

Short to int

Long to int

Int to long

Byte to int

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the output of the following code: int Integer = 24; char String = 'I'; System.out.print(Integer); System.out.print(String);

Throws exception

I

24 I

Compile error

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the output of the following program: public class Solution{ public static void main(String[] args){ short x = 10; x = x * 5; System.out.print(x); }}

50

10

Exception

Compile error

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the valid statement to declare and initialize an array.

char[] ch = new char()

char[] ch = new char[]

char[] ch = new char[5]

char[] ch = new char(5)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an array is passed to a method, what does the method receive?

Copy of first element

Length of the array

A copy of the array

The reference of the array

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