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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.PS: The Australian version is the content of the Japanese version's appearance and the American version. A 0, which was booked by relatives in the first place, is equivalent to about RMB 630 yuan. Of course, it was booked as soon as it appeared.故事讲述英国裁缝 伦纳德（马克·里朗斯 饰）曾在世界闻名的伦敦萨维尔街做西服，但在经历了一场个人悲剧后，他来到了芝加哥，在镇上一个简陋的地方经营着一家小裁缝店，为周围唯一能负担得起的人制作漂亮衣服：一个邪恶的黑帮家庭。Only events created in the current library can be viewed through show eventsAs a result, we can certainly imagine that what we did at that time was not professional, and Push was much slower than the professional information platform. After all, we did not have a fast mechanism and backstage.精神科医生高静在工作中凡事以病人的健康为重，小凯是高静的病人，透过小凯的介绍，国栋认识了高静，二人一见如故爱情升温。为了向高静求婚，国栋、高静、小凯前往与那国岛，潜入海底找出藏在那里的钻戒。谁知国栋出事了，只打捞起一具无头的男尸。对国栋的生死未卜及思念让高静陷入迷离，她透过病Simon的引导，看到一些不该看到的光景。高静求助精神科医师Edward，看着小凯带回的铁箱，高静再度陷入寻找国栋的迷思中。2006年初冬之际,边阳市沈阳路搬迁动员大会上,新上任的主管市政建设的副市长高中信正在视察工作,突然一声枪响,负责安全的公安局副局长赵伟东一个箭步冲上去护住了高中信,赵伟东左臂中了一枪,紧接着又一声枪响,肩头又中一枪,瞬间广场一片混乱. 从赵伟东身上取出了两颗不同型号的子弹,这两颗子弹...