C# 11 is the latest version of C#, a popular programming language for building cloud, web, and desktop applications. It is a powerful and versatile language that can create a wide range of applications, from simple command-line tools to complex enterprise systems. This book teaches you how to use C# 11, the latest version of C#, to build real-world applications. It introduces the new language features in C# 11, such as global using directives, file-scoped namespaces, and top-level statements. Then, it shows you how to use these features to write code that is more concise and expressive. Next, the book teaches you how to build various applications using C# 11, including web apps, mobile apps, desktop apps, and machine learning models.