Refactoring

The subtitle to Martin Fowler’s book on Refactoring is “Improving the Design of Existing Code”. That’s probably the most clear description of what refactoring is. It is a technique to restructure code in a disciplined way, and it is one of the most important principles of agile methods.

Fowler’s book catalogs a large number of ways that one can refactor code; he gives each of these refactoring mechanisms a name. For example, one form of refactoring is the “Pull Up” refactoring — it involves taking a method or field and moving it to a superclass.

Tool Support

Building on Fowler’s list of refactorings, tools like Eclipse implement easy support for refactoring, in many cases much more effectively than a simple cut and paste.

Links

To read more about it, see the following:

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