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Return children. Elements ();武田信玄是一位位于战国时代正中央走过的大名。在这场战乱中，以武田信玄，上杉谦信，织田信长，德川家康，今川义元等大名为了天下而争霸战斗的故事。Backlog Parameter: Indicates the maximum number of unconnected queues to hold."Then you mean, in the subsequent battle with the" killer bee ", you still rely on the guns in your hands? If so, what effective means do you have to persist in fighting?" I asked.转向红椒小葱，家里也要弄好了，媳妇身子也要关心，常买些好的给她补补。111. X.X.116The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.