C# Quiz for Beginners

Test and improve your basic C# programming skills with this interactive quiz — perfect for students and beginners!

Progress: 1/10 Score: 0%

What is the correct way to declare a variable of type integer in C#?

Explanation

In C#, you declare an integer variable using the 'int' keyword followed by the variable name and optional initialization.

Your Results

80%

Overall Score

Performance Breakdown

  • Syntax Questions 4/5
  • Variable Questions 3/3
  • Loop Questions 1/2

C# Quick Reference

  • int x = 10; – Declares an integer variable
  • string name = "Alice"; – Declares a string variable
  • if (x > 5) { ... } – Basic if statement
  • Console.WriteLine("Hello"); – Output to console

Type Example Description
int int age = 25; Whole numbers
double double price = 9.99; Decimal numbers
bool bool isActive = true; True/False values
string string name = "John"; Text values

Class: Blueprint for creating objects.

public class Person {
    public string Name;
    public int Age;
}

Method: A function defined inside a class.

public void Greet() {
    Console.WriteLine($"Hello, my name is {Name}");
}

Object: Instance of a class.

Person person1 = new Person();
person1.Name = "Alice";