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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.
As the application of object technology--particularly the Java programming language--has become commonplace, a new problem has emerged to confront the software development community. Significant numbers of poorly designed programs have been created by less-experienced developers, resulting in applications that are inefficient and hard to maintain and extend. Increasingly, software system professionals are discovering just how difficult it is to work with these inherited, "non-optimal" applications. For several years, expert-level object programmers have employed a growing collection of techniques to improve the structural integrity and performance of such existing software programs. Referred to as "refactoring," these practices have remained in the domain of experts because no attempt has been made to transcribe the lore into a form that all developers could use. . .until now. In Refactoring: Improving the Design of Existing Code, renowned object technology mentor Martin Fowler breaks new ground, demystifying these master practices and demonstrating how software practitioners can realize the significant benefits of this new process.
With proper training a skilled system designer can take a bad design and rework it into well-designed, robust code. In this book, Martin Fowler shows you where opportunities for refactoring typically can be found, and how to go about reworking a bad design into a good one. Each refactoring step is simple--seemingly too simple to be worth doing. Refactoring may involve moving a field from one class to another, or pulling some code out of a method to turn it into its own method, or even pushing some code up or down a hierarchy. While these individual steps may seem elementary, the cumulative effect of such small changes can radically improve the design. Refactoring is a proven way to prevent software decay.
In addition to discussing the various techniques of refactoring, the author provides a detailed catalog of more than seventy proven refactorings with helpful pointers that teach you when to apply them; step-by-step instructions for applying each refactoring; and an example illustrating how the refactoring works. The illustrative examples are written in Java, but the ideas are applicable to any object-oriented programming language.
I find it amazing that this book was written more than 10 years ago and it still makes sense.. a lot. I read it a while back and I keep coming back to it. Read morePublished 10 months ago by Amazon Customer
When buying this book I wasn't sure if it would be worth buying since most of the patterns are explained online, but after reading most of the book more than once I would recommend... Read morePublished 12 months ago by Mr G.
A widely regarded classic in the industry, and you can see why.
The first section presents a large refactoring exercise applied to a little movie rental application,... Read more
This is one of my all time favourite books.
It has helped me out on numerous occasions.
If your code has turned into a monster, this book is the light at the... Read more
It is a great and very helpful technical read. The product of a brilliant mind - clean, practical, straight to the point.Published 20 months ago by Teodor Parvanov
This style of the book is conversational, easy to read, lucid almost like being mentored by a great man. Read morePublished 21 months ago by cjase2012
The book is a classic: essential reading for any software developer. Unfortunately, the Kindle edition devalues it slightly:
- text cannot be reduced in size enough. Read more
This is an excellent source of information and written in such a way that it is easily reference able without being programming language specific.Published 24 months ago by DarkGeek