Working Effectively with Legacy Code

By Michael Feathers,

Book cover of Working Effectively with Legacy Code

Book description

This book provides programmers with the ability to cost effectively handlecommon legacy code problems without having to go through the hugelyexpensive task of rewriting all existing code. It describes a series of practicalstrategies that developers can employ to bring their existing softwareapplications under control. The author provides useful guidance about…


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Why read it?

1 author picked Working Effectively with Legacy Code as one of their favorite books. Why do they recommend it?

Unless you are writing a greenfield app, you have legacy code around. And even if you are on a greenfield app, you are writing legacy code right now.

This book gives you techniques for working on such a codebase. It is a really good read for learning how to refactor safely so you can work with what you are inheriting. You might notice this book is 20 years old. It’s just as relevant today as when I first read it in 2004. The concepts don’t depend on the exact language syntax.

In fact, some of the examples are in a…

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