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Refactoring: Improving the Design of Existing Code Don Roberts, John Brant, Kent Beck, Martin Fowler, William Opdyke
Publisher: Addison-Wesley Professional

In the Addison-Wesley Object Technology Series. Usage of the term increased after it was featured in Refactoring: Improving the Design of Existing Code.[1] Code smell is also a term used by agile programmers.[2]. Http://www.storytellersoftware.com Mark Mahoney. Final Thoughts Refactoring Helps You Find Bugs . When you find you have to add a feature to a program, and the program's code is not structured in a convenient way to add the feature, first refactor the program to make it easy to add the feature, then add the feature. Refactoring Improving the Design of Existing Code Replacing the Conditional Logic on Price Code with Polymorphism . By re-running the test cases, the developer can be confident that code refactoring is not damaging any existing functionality. Refactoring: Improving the Design of Existing Code 重構：改善既有程式的設計. Refactoring – Improving the design of existing code. Refactoring: Improving the Design of Existing Code Martin Fowler with Kent Beck, John Brant, William Opdyke and Don Roberts. Where Did Refactoring Come From?