CSC/ECE 517 Fall 2011/ch5 5d he

Automatic Refactoring

Introduction

Refactoring is a technique for restructuring an existing code, altering its internal structure without changing its external behavior. Its done as a series of small transformations. Each transformation does little, but a sequence of transformations can produce a significant restructuring. Since each refactoring is small, it's less likely to go wrong. The system is also kept fully working after each small refactoring, reducing the chances that a system can get seriously broken during the restructuring.<ref name="refone"> Refactoring Home Page http://refactoring.com/ </ref> Work is done to remove bits that aren’t really in the right place. Loss of the structure of code has a cumulative effect. The harder it is to see the design in the code, the harder it is to preserve it, and the more rapidly it decays. Regular refactoring helps code retain its shape

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