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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

Refactoring Ruby Edition · Analysis Patterns · Planning Extreme Programming. Chapter 11 Dealing with Generalization（1）Pull Up FieldTwo subclasseshave the same field. Refactoring – Improving the design of existing code. Over the last few years, I've succumbed to an unfortunate addiction - that of writing books. Refactoring: Improving the Design of Existing Code. 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 重構：改善既有程式的設計. Move the field to the superclass.（2）Pull Up MethodYou have methodswith identical results on subcl. Read More Posted in: Email This BlogThis! Refactoring Improving the Design of Existing Code. By re-running the test cases, the developer can be confident that code refactoring is not damaging any existing functionality. Here are a few I like: 1) Code Complete 2nd edition by Steve McConnell.