C# 9.0 is supported on .NET 5. For more information, see C# language versioning.

This course will be a quick dive into the world of C# and .NET. By the end, you should be able to build your own small websites and applications using C#. The C# language is used by the Unity engine to make games, mobile apps, websites, software, servers and more.

Some of the reasons you want to learn C# in 2021 is the average salary is over $100,000 per year. C# is cross-platform. It's mature and stable, having been around for over 20 years now. It's supported by one of the largest companies in the world (Microsoft) and has much community support.

We'll also be learning ASP.NET

ASP.NETis FREE, cross-platform &open source. A framework for building web apps and services with .NET and C#. .NET is a developer platform made up of tools, programming languages, and libraries for building many types of applications. ASP.NET performs faster than any popular web framework in the independent TechEmpower benchmarks. ASP.NET supports industry standard authentication protocols. Built-in features help protect your apps against cross-site scripting (XSS) and cross-site request forgery (CSRF). ASP.NET provides a built-in user database with support for multi-factor authentication and external authentication with Google, Twitter, and more.

Some of the largest companies build their websites on .NET including StackOverflow, GoDaddy, Microsoft, CoStar, Siemens and more.