Refactoring Book Summary

In 'Refactoring', Martin Fowler unveils the transformative art of improving existing code without changing its external behavior. This essential guide reveals practical techniques and principles that empower developers to enhance code readability and maintainability, making it a pivotal resource for software engineering. Readers will discover the compelling reasons behind refactoring and the dramatic impact it has on long-term project success. By dissecting real-world examples, Fowler fosters a deeper understanding of code quality and design philosophy. Whether you're a novice or a seasoned pro, this book ignites a passion for clean code and continuous improvement.

By Martin Fowler

Published: 2018

"Refactoring is about improving the design of existing code without changing its behavior."

Book Review of Refactoring

"Whenever you read [Refactoring], it's time to read it again. And if you haven't read it yet, please do before writing another line of code." -David Heinemeier Hansson, Creator of Ruby on Rails, Founder & CTO at Basecamp Fully Revised and Updated--Includes New Refactorings and Code Examples "Any fool can write code that a computer can understand. Good programmers write code that humans can understand." -M. Fowler (1999) For more than twenty years, experienced programmers worldwide have relied on Martin Fowler's Refactoring to improve the design of existing code and to enhance software maintainability, as well as to make existing code easier to understand. This eagerly awaited new edition has been fully updated to reflect crucial changes in the programming landscape. Refactoring, Second Edition, features an updated catalog of refactorings and includes JavaScript code examples, as well as new functional examples that demonstrate refactoring without classes. Like the original, this edition explains what refactoring is; why you should refactor; how to recognize code that needs refactoring; and how to actually do it successfully, no matter what language you use. Understand the process and general principles of refactoring Quickly apply useful refactorings to make a program easier to comprehend and change Recognize "bad smells" in code that signal opportunities to refactor Explore the refactorings, each with explanations, motivation, mechanics, and simple examples Build solid tests for your refactorings Recognize tradeoffs and obstacles to refactoring Includes free access to the canonical web edition, with even more refactoring resources. (See inside the book for details about how to access the web edition.)

Similar books you might like →

Showing 8 of 28 similar books

Similar Book Recommendations →

Elon Musk's Book Recommendations

Elon Musk is an influential entrepreneur and innovator known for founding and leading several groundbreaking companies, including Tesla, SpaceX, Neuralink, and The Boring Company. He has played a pivotal role in advancing electric vehicles, space exploration, and renewable energy. Musk's vision extends to colonizing Mars and reducing the risk of human extinction through space travel. In addition to his technological contributions, he has co-authored the book "Spacex: Making Commercial Spaceflight a Reality," providing insights into his ambitious projects and vision for the future. Musk's relentless pursuit of innovation continues to shape the trajectory of multiple industries.

Business and LeadershipTechnology and FutureInspiring Reads

Drew Houston's Book Recommendations

Drew Houston is an accomplished American entrepreneur best known for co-founding Dropbox, a widely-used cloud storage service, in 2007. As the CEO, he has led the company to serve millions of users worldwide and become a key player in the tech industry. Although not primarily known for literature, Houston has shared his entrepreneurial insights and experiences through various interviews and public speaking engagements, offering valuable lessons to aspiring business leaders. His work has significantly influenced the way people and organizations manage and share digital content. Houston's innovative vision continues to shape the future of cloud computing and digital collaboration.

Business and LeadershipTechnology and FutureSuccess Stories and Life Lessons

Ben Horowitz's Book Recommendations

Ben Horowitz is a prominent American entrepreneur, investor, and author, best known for co-founding the venture capital firm Andreessen Horowitz. He made significant contributions to the tech industry through his leadership roles at Netscape and as co-founder of the software company Opsware, which was later acquired by Hewlett-Packard. Horowitz is celebrated for his insightful business book, "The Hard Thing About Hard Things," which provides candid advice on the challenges of entrepreneurship. His follow-up book, "What You Do Is Who You Are," explores the importance of company culture in business success. Horowitz's works are highly regarded for their practical wisdom and have influenced countless leaders in the tech and business communities.

Business and LeadershipSuccess Stories and Life Lessons

Charlamagne Tha God's Book Recommendations

Charlamagne Tha God, born Lenard Larry McKelvey, is a prominent American radio personality, television host, and author. He is best known as a co-host of the nationally syndicated radio show "The Breakfast Club," where his candid interviews and commentary have made him a leading voice in contemporary media. Charlamagne has made significant contributions to literature with his New York Times bestselling books, "Black Privilege: Opportunity Comes to Those Who Create It" and "Shook One: Anxiety Playing Tricks on Me," which offer insights into his personal journey and mental health struggles. His works have been praised for their honesty and motivational impact, resonating with a wide audience. Charlamagne continues to influence culture and inspire readers through his candid storytelling and advocacy for mental health awareness.

Memoirs and BiographiesInspiring ReadsMindfulnessSelf-Improvement

David Heinemeier Hansson's Book Recommendations

David Heinemeier Hansson, also known as DHH, is a Danish programmer, entrepreneur, and author, best known as the creator of Ruby on Rails, a popular web application framework. Heinemeier Hansson is also a partner at Basecamp, a project management and collaboration software company he co-founded. His contributions to software development have earned him widespread recognition, with Ruby on Rails being used by thousands of developers and companies worldwide. Heinemeier Hansson is also a vocal advocate for remote work, simplicity in business, and sustainable work practices, ideas he explores in his bestselling books Rework and It Doesn’t Have to Be Crazy at Work. In addition to his work in tech, he is an accomplished race car driver, having competed in the 24 Hours of Le Mans. Heinemeier Hansson’s approach to work-life balance and entrepreneurship has made him a thought leader in the tech community, where he continues to challenge traditional business practices and advocate for more human-centered approaches to work

Business and LeadershipProductivityInspiring Reads

Andrew Chen's Book Recommendations

Andrew Chen is a venture capitalist, entrepreneur, and thought leader in growth marketing, currently serving as a general partner at Andreessen Horowitz. Chen is known for his expertise in network effects, viral growth strategies, and marketplace dynamics, making him a sought-after advisor for startups looking to scale. Prior to joining Andreessen Horowitz, he worked in leadership roles at Uber, helping to grow the ride-sharing platform’s user base and develop key growth strategies. Chen is also a prolific writer, sharing his insights on growth, technology, and startups through his popular blog and newsletter, which has attracted a loyal following in the tech community. His work has helped shape how many startups approach user acquisition, retention, and product-market fit. As a venture capitalist, Chen focuses on early-stage companies in the consumer internet, SaaS, and marketplace sectors, and he has been involved in funding and advising several successful startups. His insights on technology and growth continue to influence both founders and investors alike.

Business and LeadershipTechnology and FutureFounders Playbook

Brian Cox's Book Recommendations

Brian Cox is a Scottish actor and director, best known for his roles in films like Braveheart and Adaptation, as well as for his portrayal of media mogul Logan Roy in the hit HBO series Succession. Cox is renowned for his commanding screen presence and his ability to convey complex, often morally ambiguous characters. He has had a distinguished career in both film and theater, earning numerous awards, including a Golden Globe for his performance in Succession. In addition to his acting work, Cox is a vocal advocate for arts education and has been involved in various charitable initiatives. His longevity and versatility have made him a respected and influential figure in the entertainment industry.

Media and Pop CultureInspiring ReadsMemoirs and Biographies

Jeff Atwood's Book Recommendations

Jeff Atwood is an American software developer, writer, and co-founder of Stack Overflow, the largest online community for developers to share knowledge and collaborate on coding problems. Atwood is also known for his influential blog Coding Horror, where he writes about programming, technology, and software development practices. His work on Stack Overflow has revolutionized the way developers learn and share information, fostering a collaborative, open-source culture within the tech community. Atwood’s contributions to software development have made him a key figure in the tech industry, particularly in developer education and open knowledge sharing.

Technology and FutureEducation

Showing 8 of 14 related collections

Refactoring is about improving the design of existing code without changing its behavior.

Refactoring

By Martin Fowler