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Key benefits

Apply a wide range of refactoring techniques using the latest tools and features of C#

Discover ways to safely improve your code using tests, Roslyn analyzers, and AI assistance

Find ways of communicating technical debt and improving your code in agile and enterprise settings

Purchase of the print or Kindle book includes a free PDF eBook

Description

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.

Who is this book for?

This book is for any developer familiar with C# who wants to improve the code they work with on a day-to-day basis. While this book will be most beneficial to new developers with only a year or two of experience, even senior engineers and engineering managers can make the most of this book by exploring not just the process of refactoring, but advanced techniques with libraries like Moq, Snapper, Scientist .NET, and writing custom Roslyn analyzers.

What you will learn

Understand technical debt, its causes and effects, and ways to prevent it

Explore different ways of refactoring classes, methods, and lines of code

Discover how to write effective unit tests supported by libraries such as Moq

Understand SOLID principles and factors that lead to maintainable code

Use AI to analyze, improve, and test code with the GitHub Copilot Chat

Apply code analysis and custom Roslyn analyzers to ensure that code stays clean

Communicate tech debt and code standards successfully in agile teams

What do you get with Print?

Instant access to your digital copy whilst your Print order is Shipped

Colour book shipped to your preferred address

Redeem a companion digital copy on all Print orders

Access this title in our online reader with advanced features

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Frequently bought together

C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals

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Matthew D. Groves Nov 28, 2023

This book is a C# developer's treasure trove. It's a class in improving your C# coding skills, especially in the realm of refactoring legacy .NET applications. I especially enjoyed the examples, that help convey the concepts even further, and sometimes inject a bit of humor and entertainment, without being distracting.What sets this book apart from others is an expectation of teamwork and collaboration. It's evident that the author understands that refactoring isn't a solo effort. The tips and techniques presented are designed to be shared and implemented in a team environment. It impresses collective ownership of code quality, which is essential in any successful software development team.The book dives into the latest features of .NET 8 and C# 12, and refactoring features of Visual Studio, making it a valuable reference for those looking to stay up-to-date with the latest advancements. However, the content in this book is still useful even if you are stuck on older versions, and the principles discussed can apply to just about any OO programming language. The author doesn't just skim the surface: there is a comprehensive understanding of how these tools can be applied to refactor code effectively and efficiently (with the exception of some parts of later chapters, keep reading).Each chapter is laden with practical advice and real-world scenarios that help bridge the gap between theory and practice. The examples are not only informative but also engaging, making the learning process both enjoyable and effective. The book's layout and structure make it easy to follow, with clear headings and summaries that help reinforce key concepts. Each chapter builds on the previous, but can also be read in isolation, if you are a more intermediate/advanced developer and want to skip to the chapters for those levels.My only critique is that the benefits of some of the more advanced chapters towards the end of the book are increasingly niche. They are for advanced, high performing teams, with complex code bases, who have already squeezed all the benefits out of the rest of the book, and are looking for more. Roslyn, in particular, is a deep, complex rabbit hole, and I don't believe the cost-to-benefit ratio of building the refactorings discussed in those chapters is going to payoff for most teams. That being said, this material is summarized and introduced well by the author, and there may be some long-term value to readers, as long as they understand that these efforts aren't low-hanging fruit, and further, that this book can only cover the tip of the iceberg.Definitely pick up a copy for yourself, a dozen copies as gifts for your developer friends, and a few copies for your tech book shelf at the office.

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Apostolos Michailidis Jun 24, 2024

The book is been read with pleasure and it is easy to understand, is giving several refactoring techniques using the C# features and gives some examples using tools like copilot, roslyn analyzer etc.

Sam Gomez Jan 17, 2024

This book is a great step by step guide through the technical and personal skills needed to tackle refactoring projects. Matt's experience as a teacher shines throughout by explaining complex concepts in a very simple way.The first parts of the book cover the basic concepts that developers need to understand when refactoring their code and the practical exercises that accompany each chapter gives the reader the perfect chance to practice what has been learned.More experienced developers will also find plenty of value in this book, from building your own Roslyn analyzer to using the latest AI tools when refactoring code. Most importantly, the inclusion of how to communicate the value of refactoring to non-technical people is something that every developer (regardless of experience) needs to be able to do effectively.This book will make a great addition to your technical library and is a resource that is sure to provide value to anyone who reads it.

DanylkoWeb Dec 28, 2023

Once in a while, a solid C# book presents itself with coding principles and guidance to assist any developer throughout their career.This is one of those books.The book takes the reader on a journey through the career of a seasoned developer and his experiences. Matt examines every aspect of how to refactor code in a professional manner in the book.The first 3 parts of the book explain the technical aspects. Part 4, titled "Refactoring in the Enterprise", contains the most important chapters of the book. For example, how to handle discussions on refactoring, such as "We have a deadline. Don't worry about refactoring!" or "Refactoring doesn't have any value." These conversations are had by many developers.Each part almost feels dedicated to a particular level of developer throughout their career. Part 1 for beginners learning how to refactor code and learn the terminology. Part 2 is for the intermediate developers whereas Part 3 is meant for advanced developers. Part 4 is for developers working specifically in a team environment.I would absolutely recommend this book to .NET developers regardless of their experience.

Refactoring with C#: Safely improve .NET applications and pay down technical debt with Visual Studio, .NET 8, and C# 12

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