系统设计与建模


  • 类设计原则
  • The Open-Closed Principle (OCP) - OO设计的开闭原则    - (2007-12-11 20:52:00.0)
    Software entities (classes, modules, function, etc.) should be open for extension, but closed for modification.
    软件实体(模块,类,方法等)应该对扩展开放,对修改关闭。

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