
Java MCQ Quiz
Quiz
•
Information Technology (IT)
•
University
•
Practice Problem
•
Hard
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40 questions
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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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