C# tutorial - Learn C# basics in 15 minutes (2026 edition)

🎯 Use C# in a Web API 👉 https://www.udemy.com/course/aspnet-c... ============ 💻 Download the code example💻 👉 https://www.roundthecode.com/dotnet-c... ► Read the tutorial: 👉 https://www.roundthecode.com/dotnet-t... 🎓 .NET tutorials, code examples and courses 🎓 👉 https://www.roundthecode.com/?utm_sou... Learn C# basics in 15 minutes. This video covers variables, types, constants, conditionals, arrays, lists, loops, classes, structs, interfaces, enums and static classes, all with practical code examples. Perfect if you are new to C# or brushing up before a .NET developer role. By the end you will have a solid grip on the fundamentals and be ready to start building real projects. ► Chapters 0:00 Print "Hello world" to the console 0:23 Variables and types 1:59 Constants 2:22 Math operators 2:59 Casting and parsing to different types 3:52 Install Visual Studio 4:44 If/else statement 5:53 Switch statement and expression 6:20 Logical operators 6:58 Ternary conditional operator 7:21 Arrays 8:59 Lists 9:34 Loops 10:57 Classes 12:58 Access modifiers 13:31 Nullable properties 14:01 Structs 14:28 Interfaces, implementations and inheritance 15:29 Enums 15:51 Static classes 16:14 Next steps