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快说啊，这部电影叫什么名字？对，快说啊，别吊人胃口了。2016年 ルパン三世 イタリアン・ゲーム 意大利游戏The difference between them is that each policy class in the policy mode is equal and parallel, and there is no connection between them. Therefore, customers must be familiar with the functions of these policy classes so that customers can actively switch algorithms at any time. However, in the state mode, the behavior corresponding to the state and the state has long been encapsulated, and the switching between states has long been stipulated to be completed. The "change of behavior" occurs within the state mode. For customers, they do not need to know these details. This is what state patterns doAbstract class Wrapper2:In Cihai, the classification is explained as follows: "Classification: Classification according to the characteristics of things: Book classification classifies and files documents."