Chapter 5. Refactoring
Like test-driven development, refactoring is a mindset that can be best achieved by doing it and understanding what has been gained from the process. Martin Fowler’s book, Refactoring: Improving the Design of Existing Code (Addison-Wesley, 1999), is the most complete resource to date, and I have no interest in competing with it. This chapter instead presents scenarios in which refactoring the code leads to a dramatic improvement in the readability, lowers the cost of change, and increases the quality of the code produced. These scenarios take the form of step-by-step exercises.
What Is Refactoring
Refactoring is changing the structure of existing code without changing the behavior of that code. A refactoring (noun) is one ...
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