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 9

  1. The stack is a relatively small segment of memory allocated by the compiler that keeps track of the memory necessary for running the application. The stack has LIFO semantics and grows and shrinks as the program execution is invoking functions or returning from functions. The heap, on the other hand, is a large segment of memory that the program may use to allocate memory at runtime, and which, in .NET, is managed by the CLR. Objects of value types are, typically, allocated on the stack, and objects of reference types are allocated on the heap.
  2. The managed heap has three memory segments called generations. They are named generation 0, 1, and 2. Generation 0 contains small, and usually short-lived, objects such as local variables or objects instantiated for the lifetime of a function call. Generation 1 contains small objects that have survived a garbage collection of memory from generation 0. Generation 2 contains long-lived small objects that have survived a garbage...