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The above is only a model of "Long En" bicycle, If you need to generate other types of bicycles, Other subclasses can be written. The most important advantage of factory mode is that some of the same methods can be implemented. We can write code in the parent class for these same methods. If we need to implement specific business logic, we can rewrite the parent class's methods in the subclass to implement our own business logic. In terms of professional terms, there are two points: First, weaken the coupling between objects and prevent code duplication. Instantiating a class in a method eliminates repetitive code. Second: Repetitive code can be written in the parent class. Subclasses inherit all member attributes and methods of the parent class. Subclasses only focus on implementing their own business logic.其他人可以耐着xìng子听，项羽却忍不得始成的聒噪。After the new mode is launched, its entrance can be found in the battle mode:　　故事简介：八前年，他们相爱。可是有一天，她离开了他，没留下任何缘由，他很伤心失落。《龙王保佑》讲述的是具有可以读到世间万物数千种颜色的绝对视角的女子沈清（李素妍饰演），和世界里只有黑白两种颜色的钢琴演奏家马风道（音译）（在熙饰演）相遇，分享爱情和人生之美,寻找失去的父亲秘密的现代版沈清的故事。演员在熙在剧中将饰演虽然不允许一次出错的演奏家，实力非常出众，但感情不足的钢琴家马风道(音) ，在熙在剧中遇到给人生带来最大危机的奇怪女人沈清，她将与观众分享爱情和人生的美，展现令人期待的浪漫爱情。全剧集喜剧、言情、传奇、武打等多种元素于一身，尤其孙兴扮演的阿贵和曹颖扮演的红绸之间让人哭笑不得的感情纠葛，更是全剧的一大看点。剧中，阿贵是员猛将，千军万马中面对刀光剑影从不变色，但最怕的却是女人掉眼泪。傻将军偏偏遇上曹颖扮演的红绸这位痴情女，这感情是剪不断理还乱了。(未完待续……) show_style();。