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The disadvantage of state mode is that many state classes will be defined in the system. Writing 20 state classes is a boring job, and many objects will be added to the system. In addition, because the logic is scattered in the state class, although unpopular conditional branch statements are avoided, it also causes the problem of logic dispersion, and the logic of the entire state machine cannot be seen in one place.尹旭看在眼里，似笑非笑，带着微微的笑意，打从第一眼见到绿萝起，他有有些难以名状的熟悉和冲动。Public void notifyObservers ();The main difference between the proxy mode and the appearance mode is that the proxy object cannot directly access the object, but can only be accessed by the proxy object, while the appearance object provides a simplified access call interface for each subsystem, while the adapter mode does not need to fabricate a proxy, so as to reuse the original interface. The appearance mode defines a new interface, while the adapter reuses an existing interface.求推荐票求收藏求评价等等。膏药哥、大力、二呆，逗逼三兄弟满怀壮志开了一家借贷公司，想以此赚大钱。清纯少女赵佳妮，热爱唱歌，热爱表演，从小就梦想成为歌手。偶然机会参加歌手比赛，单纯的她听说可以花钱买选票，但赵佳妮没有钱。这时赵佳妮看到了一则借贷小广告，便想借钱买选票。借贷是需要抵押的，赵佳妮没有可以抵押的东西。公交车上她偶遇被人追堵的马天翊，在马天翊的配合下，向膏药哥三兄弟借到了钱。膏药哥三兄弟发现被马天翊骗了，找到赵佳妮，威逼利诱想要回借给她的钱，由此发生了一系列乌龙事件。