What is C#?

Beginner Updated February 11, 2025

🧑‍💻 Complete Beginner's Guide to C#: Learn C# Programming from Scratch

Welcome to this comprehensive guide on C# programming for beginners. If you're just stepping into the world of software development, C# (pronounced "C-Sharp") is one of the best languages to start with — powerful, elegant, and widely used in everything from desktop apps to games and enterprise systems.

This tutorial is designed for absolute beginners and aims to provide clear explanations, useful examples, diagrams, and frequently asked questions — everything you need to confidently start coding in C#.

📌 What is C#?

C# is a modern, object-oriented programming language developed by Microsoft. It's primarily used for building:

  • Windows desktop applications
  • Web applications via ASP.NET
  • Game development with Unity
  • Mobile apps with Xamarin
  • Cloud-based services with Azure

It’s part of the .NET ecosystem and shares similarities with languages like Java and C++.