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The following procedure is to use the state mode to improve the light. When it comes to encapsulation, the behavior of the encapsulated object is generally preferred over the state of the object. But the opposite is true in state mode, The key to the state mode is to encapsulate each state of the thing into a separate class, and the behaviors related to this state are encapsulated inside this class, so when button is pressed, only the request needs to be delegated to the current state object in the context, and the state object will be responsible for rendering its own behaviors. At the same time, the state switching rules can be distributed in the state classes in advance, thus effectively eliminating a large number of conditional branch statements that originally existed.　　这期间，他遇见了各种各样的人物，目睹到了真正人生的悲剧，也体验到人性最伟大的光辉。这当中，苏岸回答道：此事值得一提，韩信在平定了赵国之后，刘邦在荥阳一带的情况很不乐观。Now the heated color has become crisp inside, and the carbonized part will break and have a strong taste when touched slightly.《Chimera》是一部讲述重案组刑警在焕、犯罪心理分析师有真、外科医生钟烨以各自不同的目的追查时隔35年再次发生的连环爆炸杀人事件，又名“Chimera”的事件。是一部追查真相的追踪惊悚剧。