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以为老爷子是笑得喘不过气呢，还是香荽心细，觉得爷爷那模样不大对劲：张大嘴巴，却说不出一个字。Factory Pattern: Factory Pattern is a frequently used pattern. Classes implemented according to Factory Pattern can generate instances of one of a group of classes according to the provided data. Usually, this group of classes has a common abstract parent class and implements the same methods, but these methods perform different operations for different data. First of all, we need to define a base class. Subclasses of this class implement methods in the base class through different methods. Then you need to define a factory class that can generate different subclass instances according to conditions. After getting an instance of a subclass, developers can call methods in the base class regardless of which subclass instance is returned.曹邦辅点头道，攻心为上，为了夺浒墅关，领着日本人在国人面前屠杀同胞，先杀伤员，此后便是所有人了，他在逼我们下令开关。所以他特地在家中设宴，邀请吴芮全家前来赴宴，以作试探。Chinese and Korean mixed race, actor, representative work of Korean drama On Air　　"不能实现梦想的人生就是失败的？""不，不管什么工作，只要全力去做，就能获得无穷的快乐！""无趣的工作，万岁！"