abstract-factory
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抽象工厂模式
Provide an interface for creating families of related or dependent objecets without specifying their concrete classes.(为创建一组相关或者相互依赖的对象提供一个接口，而且无须指定它们的具体类。)
2017-01-07 pattern-designpattern-designabstract-factory
Provide an interface for creating families of related or dependent objecets without specifying their concrete classes.(为创建一组相关或者相互依赖的对象提供一个接口，而且无须指定它们的具体类。)