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C# Cheat Sheet
Print-ready cheat sheet for C#, organized for fast lookup, study, and desk-side use
Sample
What's in this cheat sheet
Hello World
Console.WriteLine("Hello, World!"); // top-level (C# 10+)
// Classic: class Program { static void Main() { ... } }
Build & Run
dotnet new console -n MyApp # create project
dotnet run # compile and run
dotnet build # compile only
Variables & Constants
int x = 42;
var name = "Alice"; // type inference
const double Pi = 3.14159;
readonly int maxRetries = 3; // set once, in ctor
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