C# or C-Sharp is the programming language behind .NET (dotnet) and the Unity framework. It was created at Microsoft as a C-like object-oriented language and is used to build apps for web, desktop, ...

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Apple's Swift has far-reaching effects on all platforms, not just iOS, OS X, watchOS and tvOS. Learn why Swift matters, how to use the programming language and how it differs from Objective-C.

Aspect-oriented programming allows you to isolate the cross-cutting concerns of your application, reduce code duplication, and improve the readability and maintainability of your code.