Book Image

Learn C# Programming

By : Marius Bancila, Raffaele Rialdi, Ankit Sharma
5 (1)
Book Image

Learn C# Programming

5 (1)
By: Marius Bancila, Raffaele Rialdi, Ankit Sharma

Overview of this book

The C# programming language is often developers’ primary choice for creating a wide range of applications for desktop, cloud, and mobile. In nearly two decades of its existence, C# has evolved from a general-purpose, object-oriented language to a multi-paradigm language with impressive features. This book will take you through C# from the ground up in a step-by-step manner. You'll start with the building blocks of C#, which include basic data types, variables, strings, arrays, operators, control statements, and loops. Once comfortable with the basics, you'll then progress to learning object-oriented programming concepts such as classes and structures, objects, interfaces, and abstraction. Generics, functional programming, dynamic, and asynchronous programming are covered in detail. This book also takes you through regular expressions, reflection, memory management, pattern matching, exceptions, and many other advanced topics. As you advance, you'll explore the .NET Core 3 framework and learn how to use the dotnet command-line interface (CLI), consume NuGet packages, develop for Linux, and migrate apps built with .NET Framework. Finally, you'll understand how to run unit tests with the Microsoft unit testing frameworks available in Visual Studio. By the end of this book, you’ll be well-versed with the essentials of the C# language and be ready to start creating apps with it.
Table of Contents (20 chapters)

Chapter 8: Advanced Topics

In the previous chapters, we learned about the language syntax, data types, working with classes and structures, generics, collections, and other topics that have equipped you with the knowledge necessary to write at least simple C# programs. However, there's more to the language than that and in this chapter, we will explore more advanced concepts. This will include delegates, which are key for functional and asynchronous programming that we cover later in this book, as well as various forms of pattern matching including regular expressions for texts.

The topics that we will discuss are as follows:

  • Delegates and events
  • Anonymous types
  • Tuples
  • Pattern matching
  • Regular expressions
  • Extension methods

After completing this chapter, you will understand how to use delegates to respond to events that occur in your application, how to use tuples to handle multiple values without introducing new types, how to perform pattern...