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Book Description

Developers working on a project will often rethink and recode the software under construction to make its design cleaner and more elegant. Known as & 8220;refactoring,& 8221; this process is done for all sorts of reasons: to facilitate the addition of new features, to improve maintainability, and (or) to increase performance. Refactoring is an important and useful software process. .

Refactor enough times though, and you will begin to learn things that you can do when building new software to reduce the amount of refactoring later in the process. Taking these lessons-learned and applying them on subsequent development projects is a process that Ken Pugh refers to as & 8220;prefactoring& 8221;. .

This practical, thought-provoking guide details prefactoring guidelines in design, code, and testing, each derived from the lessons of many developers over the years. By following these guidelines, you& 8217;re far more likely to create more readable and maintainable code than would otherwise be the case. .

To help communicate the many facets of this process, Prefactoring follows the development of a software system for a fictitious client, named Sam, from vision to implementation. Some of the guidelines you& 8217;ll encounter along the way include:

When You& 8217;re Abstract, Be Abstract All the Way

Splitters Can Be Lumped Easier Than Lumpers Can Be Split

Do a Little Job Well and You May Be Called Upon Often

Plan Globally, Develop Locally

Communicate with Your Code

The Easiest Code to Debug Is That Which is Not Written

Use the Client& 8217;s Language

Don& 8217;t Let the Cold Air In

Never Be Silent

Don& 8217;t Speed Until You Know Where You Are Going .

If you have an object-oriented design background, you may save time by considering Ken& 8217;s prefactoring guidelines before you begin your project, They won& 8217;t guarantee that you will never need to refactor your design or code again, but you can cut down on the amount of refactoring you do. .

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