Practice character Quizzes

Explore character in depth with quizzes covering fundamentals to advanced concepts. DevBrainiac's structured quiz format helps you understand theory, apply logic and master problem-solving techniques. With continuous practice, you can track progress, fix mistakes and build strong command of character.

Explore All character Quizzes

Learn character step by step with interactive quizzes designed for beginners and learners revising key concepts. Build a strong foundation with clear, structured practice in character.

Question 1

What is a character in programming?

A single letter, digit or symbol represented in a programming language

A function that manipulates text

A method to format strings

A type of variable that stores numeric values

Question 2

In C and Java, how are character literals represented?

Enclosed in curly braces (e.g. {A})

No special representation is required

Enclosed in single quotes (e.g. 'A')

Enclosed in double quotes (e.g. "A")

Question 3

What is the ASCII value of the character 'A'?

Question 4

Which of the following statements about Unicode is true?

Unicode only supports English characters

Unicode can represent characters from all languages

Unicode is limited to 8 bits

ASCII is more comprehensive than Unicode

Question 5

What is the Unicode representation of the character 'A'?

\u0043

\u0040

\u0042

\u0041

Question 6

Which encoding format supports emoji characters?

UTF-8

EBCDIC

ANSI

ASCII

Question 7

What will be the output of the following C++ code?

#include <iostream> 
#include <string>
#include <cstring>
using namespace std; 
int main(int argc, char const *argv[])
{
	const char *a = "Hello\0World";
	cout<<a;
	return 0;
}

World

Hello World

Hello

Error

Question 8

What is the minimum value that can be stored in a char variable in Java?

-32768

-128

'a'

Question 9

What is the default value of a boolean array element in Java if it's not explicitly initialized?

null

false

true

Question 10

Which of the following is not a valid way to declare a char variable in Java?

char w = 0x0041

char x = 'M'

char x = 'a'

char x = 64

Question 11

Which data type is used to store a single character in Java?

String

char

Character

character

Question 12

In Python, which function is used to get the ASCII value of a character?

chr()

asc()

ord()

ascii()

Question 13

What will be the output of the following Python code?

print(chr(66))

Question 14

In Java, what is the default value of a char variable?

null

' '

'\u0000'

Question 15

What will be the output of the following Python code?

print(ord('z') - ord('a'))

-25

Question 16

In JavaScript, which method is used to get the Unicode of a character?

charCodeAt()

codeAt()

getCode()

asciiCodeAt()

Question 17

In Python, which function converts an integer ASCII value to its corresponding character?

convert()

ord()

chr()

asc()

Question 18

What is the value of '1' + 1 in JavaScript?

TypeError

NaN

Question 19

What will be the output of 'A' + 1 in Python?

TypeError

Question 20

In C++, which of the following correctly initializes a char array?

char arr[5] = "Hello";

char arr[] = "Hello";

char arr[] = {'H', 'e', 'l', 'l', 'o'};

Both 2 and 3

Question 21

What is the output of the following Java program?

System.out.println('A' + 1);

Compilation Error