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电影票房可以用一个词来形容，那就是——疯狂。然后站在屋子当中，望着那空荡荡的暗柜想。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.可是韩信最近一直按兵不动，蒯彻虽然不能完全理解韩信的难处，但是他深深地知齐王这么这座一定是有原因的。刘井儿忙起身道：那还不赶紧去。Hello!