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Refactoring with C#

By Matt Eland
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  1. Free Chapter
    Part 1: Refactoring with C# in Visual Studio
About 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 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.
Publication date:
November 2023
Publisher
Packt
Pages
434
ISBN
9781835089989

 

Part 1: Refactoring with C# in Visual Studio

In the first part of the book, we’ll discuss the nature of technical debt, code smells, and refactoring. We’ll focus on the mechanical process of refactoring C# code in Visual Studio.

Throughout this part, you’ll learn how to safely alter the form of your code without changing its functionality. We’ll cover high-level concepts and then walk through refactoring individual lines of code. After this, we’ll zoom out to refactor entire methods and see how they interact with each other. Finally, we’ll look at some object-oriented approaches to refactoring that can help truly reshape your code by altering how classes interact with each other.

This part of the book can either be read as a traditional book or used as a step-by-step tutorial for refactoring the starting code found in each chapter.

This part contains the following chapters:

  • Chapter 1, Technical Debt, Code Smells, and Refactoring
  • Chapter 2, Introduction to Refactoring
  • Chapter 3, Refactoring Code Flow and Iteration
  • Chapter 4, Refactoring at the Method Level
  • Chapter 5, Object-Oriented Refactoring
About the Author
  • Matt Eland

    Matt Eland is a Microsoft MVP in Artificial Intelligence (AI) who has been working with .NET since 2001. Matt has served as a senior engineer, software engineering manager, and .NET programming instructor. He is currently an AI specialist and senior consultant at Leading EDJE near Columbus, Ohio, where he helps companies with their software engineering and data science needs using C# and related technologies. Matt speaks and writes in his community and co-organizes the Central Ohio .NET Developers Group while pursuing a master's degree in data analytics.

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Refactoring with C#
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