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1.Duplicated Code Same expression in two methods of the same class: Extract Method Same expression in two sibling subclass:Extract Method ,then Pull Up Field Duplicated code in two unrelated classs:Extract Class/The method belongs only in one class and be invoked by the other class. 2.Long Method A heuristic we follow is that whenever we feel the needd to comment something,we write a method instead(Extract Method).A good technology to identify the clumps of code to extract is to look for comments.Conditionals and loops also give signs for extraction. 3.Large Class Extract Method 4.Long Parameters List Replace Parameter with Method, Preserve Whole Object, Introduce Parameter Object. 5.Divergent Change Extract Class. 6.Shotgun Surgery Move Method, Move Field, Inline Class,. 7.Feature Envy Move Method, Extract Method,. 8.Data Clumps Extract Class, Introduce Parameter Object, Preserve Whole Object 9 Primitive Obseesion 10.Switch Statements Extract Method 11.Parallel Inheritance Hierarchis 12.Lazy Class 13.Speculative Generality 14.Temporary Field 15.Message Chains 16.Middle Man 17.Inappropriate Intimacy 18.Alternative Classes with Different Interfaces 19.Incomplete Library Class 20.Data Class 21.Refused Bequest Push Down Method and Push Down Field 22.Comments 返回类别: 教程 上一教程: What is hibernate? 下一教程: Java中实现基于Aspectwerkz的AOP开发 您可以阅读与"Bad Smells in Code"相关的教程: · public int getKeyCode(int gameAction) 与 public int getGameAction(int keyCode)的区别 · INI参数(文本文件)的读写 · int 和 String 互相转变的多种方式 (转) · Converting between applets and applications · Java Unicode转义字符的小小研究 |
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