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Refactoring with C#

Refactoring with C#

By : Matt Eland
5 (9)
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Refactoring with C#

Refactoring with C#

5 (9)
By: Matt Eland

Overview of this book

Software projects start as brand-new greenfield projects, but invariably become muddied in technical debt far sooner than you’d expect. In Refactoring with C#, you'll explore what technical debt is and how it arises before walking through the process of safely refactoring C# code using modern tooling in Visual Studio and more recent C# language features using C# 12 and .NET 8. This book, written by a Microsoft MVP, will guide you through the process of refactoring safely through advanced unit testing with XUnit and libraries like Moq, Snapper, and Scientist .NET. You'll explore maintainable code through SOLID principles and defensive coding techniques made possible in newer versions of C#. You'll also find out how to run code analysis and write custom Roslyn analyzers to detect and resolve issues unique to your code. The nature of coding is changing, and you'll explore how to use AI with the GitHub Copilot Chat to refactor, test, document, and generate code before ending with a discussion about communicating technical debt to leadership and getting organizational buy-in to refactor your code in enterprise organizations and in agile teams. By the end of this book, you'll understand the nature of refactoring and see how you can safely, effectively, and repeatably pay down the technical debt in your application while adding value to your business.
Table of Contents (24 chapters)
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1
Part 1: Refactoring with C# in Visual Studio
7
Part 2: Refactoring Safely
13
Part 3: Advanced Refactoring with AI and Code Analysis
18
Part 4: Refactoring in the Enterprise

Case study – Cloudy Skies Airlines

The rest of this book will follow code examples from an airline called Cloudy Skies Airlines, or Cloudy Skies for short. Through these examples, we should be able to see how technical debt and refactoring can apply to a “real” organization and its software.

Note

Cloudy Skies is a fictitious airline company created for this book for teaching purposes only. Any resemblance to any real company is purely coincidental. Additionally, I have never worked in aviation, so the code examples presented in the book are likely significantly different from actual software systems used in the industry.

Cloudy Skies is an airline that’s been around for the past 50 years and currently operates a little over 500 jets in its fleet, serving around 70 cities in its region.

Twenty years ago, the airline made a major move and started replacing its aging software systems with custom in-house applications built by its development team...

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