C# Tutorial

C# (said "C sharp") is a modern programming language made by Microsoft. It runs on .NET, a free platform that works on Windows, macOS and Linux.

With C# you can build desktop software, websites and web APIs with ASP.NET, mobile apps with .NET MAUI, and games with the Unity engine.

Why Learn C#?

• It is clean, modern and easy to read, even for beginners
• It is used by many software houses in Pakistan and abroad for business software
• Unity, one of the most popular game engines, uses C#
• It manages memory for you, so you can focus on the logic

What You Will Learn

• How to set up .NET and run your first program
• Output, input, variables and data types
• Operators, strings, if...else, switch and loops
• Arrays and lists
• Methods, classes and objects

A First Example

Console.WriteLine("Hello from C#!");
Console.WriteLine($"2 + 3 = {2 + 3}");

Hello from C#!
2 + 3 = 5

Modern C# lets a small program be just a few lines like this. You will learn what each part does in the first chapter.

Check Yourself

What to Learn After C#

C# is very close to Java, so learning one helps with the other. To understand what happens closer to the hardware, try C++ or C.