C# Tutorial

Learn C# programming from scratch

🚀 Welcome to C# Programming!

C# (C-Sharp) is a modern, powerful programming language developed by Microsoft. It's perfect for building desktop apps, games, web applications, and mobile apps with ease and efficiency. 


// Your first C# program
using System;

class Program
{
    static void Main()
    {
        Console.WriteLine("Hello, C#!");
    }
}

Output:

Hello, C#!

Why Learn C#?

💼

Professional

Used by major companies worldwide for enterprise applications

🎮

Game Development

Power Unity game engine to create amazing games

🌐

Web & Mobile

Build web apps with ASP.NET and mobile apps with Xamarin

📚

Easy to Learn

Clear syntax and excellent documentation for beginners

🔹 What You'll Learn

This tutorial covers everything you need to start programming in C#:

  • C# Basics: Syntax, variables, and data types
  • Control Flow: If statements, loops, and switches
  • Functions: Methods and parameters
  • Object-Oriented: Classes, objects, and inheritance
  • Collections: Arrays, lists, and dictionaries
  • Error Handling: Try-catch and exceptions

🔹 Quick Example

See how easy C# is! This program calculates the sum of two numbers: 

using System;

class Calculator
{
    static void Main()
    {
        int num1 = 10;
        int num2 = 20;
        int sum = num1 + num2;
        
        Console.WriteLine("Sum: " + sum);
    }
}

Output:

Sum: 30

🔹 C# Applications

C# is versatile and can be used for many types of applications:

Desktop Applications

Create Windows applications with WPF or Windows Forms 

// Simple Windows app
MessageBox.Show("Hello from C#!");

Web Applications

Build powerful web apps using ASP.NET Core 

// Web API endpoint
[HttpGet]
public string GetMessage()
{
    return "Hello from Web API!";
}

Game Development

Create games with Unity game engine 

// Unity game script
void Start()
{
    Debug.Log("Game Started!");
}

🔹 Getting Started

Ready to begin your C# journey? Follow these steps:

  1. Read the C# Introduction to understand the basics
  2. Follow C# Get Started to set up your environment
  3. Learn C# Syntax to write your first programs
  4. Practice with examples and build your own projects

🧠 Test Your Knowledge

What company developed C#?