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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.江成海轻车熟路，直接走到段神刀的书房，这时候段老头一般都在书房看书。夏正闻言大惊，自我家遭罪后，没人敢收留我，唯有汝贞兄赏一口热饭，相敬如宾，正死也要死在汝贞兄幕下。虽然不知道他们是怎么跟上杨长帆的，总之狼兵真的可以平倭。感觉活不下去的苍蝇，无法诉说梦想，过着OL生活…基于“比利时”同名系列，T教授是在剑桥大学的背景下成立的，它是世界上最负盛名的教育机构之一。正如你所说，我们南雀国的人对你们也是一样，抢了你们的粮草，挑起这场战争……她的目光迷蒙起来。