Learn C# - 10 Code Examples & CST Typing Practice Test
C# (C-Sharp) is a modern, object-oriented, multi-paradigm programming language built by Microsoft for the .NET platform. It is designed for productivity, type safety, performance, and building scalable applications across desktop, web, mobile, gaming, and cloud systems.
Learn CSHARP with Real Code Examples
Updated Nov 17, 2025
Installation Setup
Install .NET SDK (8+ recommended)
Install Visual Studio or VS Code
Install NuGet packages
Configure CLI tools (dotnet CLI)
Environment Setup
Install .NET SDK
Install Visual Studio or VS Code
Install NuGet dependencies
Setup environment variables
Config Files
appsettings.json
csproj project file
launchSettings.json
NuGet.config
Cli Commands
dotnet new
dotnet build
dotnet run
dotnet publish
Internationalization
resx resource files
CultureInfo APIs
Localization middleware
Unicode-friendly runtime
Accessibility
XAML accessibility APIs
Blazor ARIA support
Localization metadata
Assistive technology integration
Ui Styling
WPF/WinUI XAML styling
MAUI cross-platform styling
Blazor component styling
Unity UI toolkit for games
State Management
ASP.NET services DI container
Singleton and scoped services
EF Core database tracking
In-memory caching
Data Management
Entity Framework Core ORM
Dapper for micro-ORM
ADO.NET for raw SQL
NoSQL via Cosmos DB
Frequently Asked Questions about C#
What is C#?
C# (C-Sharp) is a modern, object-oriented, multi-paradigm programming language built by Microsoft for the .NET platform. It is designed for productivity, type safety, performance, and building scalable applications across desktop, web, mobile, gaming, and cloud systems.
What are the primary use cases for C#?
Enterprise backend systems. Web APIs (ASP.NET Core). Unity game development. Desktop software (WPF/WinUI). Cloud-native microservices on Azure. Cross-platform mobile apps (MAUI/Xamarin)
What are the strengths of C#?
Excellent tooling and developer productivity. High performance with modern .NET. Strong type safety. Great for enterprise systems. Massive ecosystem (ASP.NET, Unity, MAUI)
What are the limitations of C#?
Heavily tied to Microsoft ecosystem historically. Slightly more complex runtime model. Not ideal for low-level systems. Unity uses older C# versions at times
How can I practice C# typing speed?
CodeSpeedTest offers 10+ real C# code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.