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The 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.然后对黑汉子把脸一沉：你不让他吃饭？黑汉子吓了一跳，呐呐道：他……他……老是骂人，骂得这么毒，太可恶了。六集诗选剧《零异频道：蜡烛湾 Channel Zero: Candle Cove》在10月11日首播，由Kris Straub所「着」的Creepypasta（转贴恐怖故事﹑都市传说）改篇，这剧讲述男主对一个80年代的神秘儿童节目十分偏执，因为他相信该节目引发了一连串的梦 魇及死亡事件。蜡烛湾是现实的都市传说，在当时一个美国论坛有人问一部诡异的儿童节目，名为《蜡烛湾 Candle Cove》，然后一群人指他们对这节目有记忆，而且还指发生了各种奇怪事件，但后来Kris Straub出来指这节目其实是他捏造的，然而不少人皆表示不相信，并质疑他是想隐瞒该节目的存在。陈启说得兴起，没有注意到陈文羽的手已经挥到他的脑门上了。云青山沉声道：是的，何况只要进入巴蜀境内，琴氏就应该要遵守诺言，发作作用了。