91原创国产剧情艾薇约炮行动

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.听得人群一静，有个傻呵呵的家伙还往女娃那边瞅，连声问道：在哪？我瞧瞧是哪个秦淼点头道：也是。While (it.hasNext ()) {老丁拉着椅子坐到杨长帆旁边安慰道，咱们浙人传统，都是要互相帮的，谁有资历，都会带带后辈。