Linux

摘要： 抽象工厂模式（Abstract Factory Pattern）是一种比较常用的模式，其定义如下：Provide an interface for creating families of related or dependent objects without specifying their c 阅读全文

摘要： 模板方法的定义：Define the skeleton of an algorithm in an operation,deferring some steps to subclasses.TemplateMethod lets subclasses redefine certain steps o 阅读全文