C# (pronounced “C-sharp”) is a modern, object-oriented programming language developed by Microsoft for the .NET development framework. It is designed to be simple, yet powerful, enabling developers to build a wide range of applications for Windows, web, IoT, mobile, gaming, and cloud platforms. It supports multiple programming paradigms, including imperative, declarative, functional, and event-driven development. C# is widely used for building a variety of applications, including desktop software, web applications, mobile apps, and game development using frameworks like ASP.NET, Xamarin, and Unity. Its strong typing, component-oriented architecture, and extensive standard library make it a popular choice for developers working in the Microsoft ecosystem and beyond.