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One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.Continuously request the same operation;那样的长屋是不折不扣的好人？由于加助（沟端淳平）混进了的事引起的骚动的许多！救人是生存的意义的加助，在街上发现有困难的人，向好人长屋的居民们请求帮助。缝的父亲，长屋的队长？仪右卫门（吉田钢太郎）虽然很困惑，但不知为什嚒缝纫是积极地帮助别人，最终乘上了加助。缝纫的母亲？以仪右卫门为首的长屋小恶徒们，虽然很涩，但也有幕后工作的。。。不过这个时候西楚国的龙且已经率领大军前来和汉军作战。Translator's preface如小葱这样，先果断利落地打她，再气势十足地骂她，这才有女将军的气势，不枉他们站在寒天冻地的冷风里，吹了这么久。