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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.故事的创意为中华传统饮食不仅美味、养生，还有相生相克的道理，就像爱情让人沉醉也能杀人。王管家则是一呆，半响才道：你们既然已经在此落脚，就该去官府落户，岂可一直充当流民？这话似乎没什么底气，仿佛自己也觉得是对牛弹琴。…,广武君费心了。　　Angoon(Navin 饰)是Wathit的堂兄，同样喜欢女主,并自信地觉得Methinee会更喜欢他,但女主没有接受他的表白因为她不清楚自己的心意。Java server development must follow Alibaba Java Development Manual (Ultimate Edition), IDEA installation related plug-ins have alarm prompts not to submit merge两位青年双手相握，惺惺相惜，一个不得不背负家族复兴的重任，一个则不得不背负兄长叛国的罪孽，只是在这样的朝廷之中，他们显得太过弱小，太过稚嫩了。