C# Tutorial — One-Page Cheat Sheet

Modern OOP language for .NET — web, desktop, games, mobile.

C# Tutorial

• C# HOME
• Intro
• Get Started
• Syntax
• Variables
• Data Types
• Operators
• Strings
• if / else
• switch / patterns
• Loops
• Arrays
• Methods

OOP

• Classes & Objects
• Properties
• Inheritance
• Polymorphism
• Abstract Classes
• Interfaces
• Records
• Enums
• Structs
• Generics

Modern C#

• LINQ
• List / Dictionary
• Lambdas
• async / await
• Tasks
• Nullable Reference Types
• Pattern Matching

.NET in Practice

• Exceptions
• Files / Streams
• System.Text.Json
• Dependency Injection
• ASP.NET Minimal API
• EF Core
• xUnit
• NuGet / dotnet CLI

Examples

• Examples
• Cheatsheet
• Quiz
• Exercises
• Bootcamp
• Certificate
• Summary