wudymand

摘要： 抽象工厂模式的定义：Provide an interface for creating families of related or dependent objects without specifying their concrete classes。为创建一组相关或相互依赖的对象提供一个接口，而... 阅读全文

摘要： The Strategy Pattern defines a family of algorithms,encapsulates each one,and makes them interchangeable. Strategy lets the algorithm vary independent... 阅读全文