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Amazon.co.uk Review
Besides an introduction to what refactoring is, this handbook provides a catalogue of dozens of tips for improving code. The best thing about Refactoring is its remarkably clear presentation, along with excellent nuts-and-bolts advice, from object expert Martin Fowler. The author is also an authority on software patterns and UML, and this experience helps make this a better book, one that should be immediately accessible to any intermediate or advanced object-oriented developer. (Just like patterns, each refactoring tip is presented with a simple name, a "motivation," and examples using Java and UML.)
Early chapters stress the importance of testing in successful refactoring. (When you improve code, you have to test to verify that it still works.) After the discussion on how to detect the "smells" of bad code, readers get to the heart of the book, its catalogue of more than 70 "refactorings"--tips for better and simpler class design. Each tip is illustrated with "before" and "after" code, along with an explanation. Later chapters provide a quick look at refactoring research.
Like software patterns, refactoring may be an idea whose time has come. This groundbreaking title will surely help bring refactoring to the programming mainstream. With its clear advice on a hot new topic, Refactoring is sure to be essential reading for anyone who writes or maintains object- oriented software. --Richard Dragan
Topics Covered: Refactoring, improving software code, redesign, design tips, patterns, unit testing, refactoring research and tools.
Product Description
Refactoring is about improving the design of existing code. It is the process of changing a software system in such a way that it does not alter the external behavior of the code, yet improves its internal structure. With refactoring you can even take a bad design and rework it into a good one. This book offers a thorough discussion of the principles of refactoring, including where to spot opportunities for refactoring, and how to set up the required tests. There is also a catalog of more than 40 proven refactorings with details as to when and why to use the refactoring, step by step instructions for implementing it, and an example illustrating how it works The book is written using Java as its principle language, but the ideas are applicable to any OO language.
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Most Helpful Customer Reviews
31 of 33 people found the following review helpful:
5.0 out of 5 stars
Stop those annoying grubby code build-ups,
By
This review is from: Refactoring: Improving the Design of Existing Code (Object Technology Series) (Hardcover)
I'm probably not alone in finding that, upon opening up source code (even my own), I have an uncontrollable urge to remove duplication, simplify, reduce and generally "improve" things before I can start to see how changes can be made. Then I read this book and discovered that I was refactoring.Even better, I started to understand that there were a set of well-designed methods to apply, some of which I'd informally discovered for myself (so I wasn't alone after all) and many more that I hadn't thought of. It doesn't hurt that the book is well, and often entertainingly written. Although some of the content is explicitly targeted at code built in full-blown object-oriented languages (the language used throughout is Java), it doesn't prove to be a hindrance to VB programmers like myself. This book may fall slightly behind "Code Complete" in my list. Which would only make it the second best development book I've ever read (but it's the first one I felt like posting a review on).
6 of 6 people found the following review helpful:
5.0 out of 5 stars
This book is improving the standard of coding,
By A Customer
This review is from: Refactoring: Improving the Design of Existing Code (Object Technology Series) (Hardcover)
Like the GoF book, this book makes new ground by describing each refactoring in baby-step format and *naming* each of the refactorings. It has also led to more refactoring tools (which I hope will become a mandatory IDE requirement). So, instead of having to refactor your code manually, you can simply goto the menu and select "Extract Method", "Replace Temp with Query" etc. I highly recommend people check out the new IntelliJ IDEA (called Pandora). As Kent Beck notes, a refactoring tool completely changes the way you think about coding.10 thumbs up for this book and the effect it will have on the industry. Steve
19 of 21 people found the following review helpful:
5.0 out of 5 stars
A MUST Read for Every OO Developer !!! (but the book is now a bit dated... see my comment to this review),
By
This review is from: Refactoring: Improving the Design of Existing Code (Object Technology Series) (Hardcover)
This book is simply great !! It's definately the most useful book I've read since "Design Patterns".
It has an easily read and also sometimes quite amusing text, UML diagrams when necessary, and of course, VERY GOOD CONTENT !!! In short Refactoring is about turning badly designed and written code into well designed and written code, without breaking the program. If you liked read "Design Patterns" (Gamma et al.) you love this one as well. It's structured in much the same way. The content covers * WHY + WHEN to refactor * HOW + WHAT to refactor * A very good chapter on unit testing with JUnit (Open Source, by Eric Gamma (Design Patterns) and Kent Beck (Extreme Programming) ) * A thorough catalogue of different refactorings you can do to improve the design and readability of your code.
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