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红椒山芋等人听了还没怎样，周菡顿时呛咳起来。In the previous example of electric lights, a state mode program was completed. First, the Light class is defined, which is also called Context here. Then in Light's constructor, to create instance objects for each state class, Context will hold references to these state objects in order to delegate the request to the state objects. The user's request, that is, the action of clicking button, is also implemented in Context, with the following code:BBC高分治愈系喜剧，本系列共三季，每季六集。丈夫病逝，但生活还是要继续，痛失挚爱的Cathy不得不收拾好心情，坚强又孤独地适应没有爱人陪伴的日子。人间天使Cathy温柔可亲善解人意，然而她身边的亲戚一个比一个奇葩，令人啼笑皆非的新生活就此开始。Franklin picked out his favorite articles, read them over and over again, and analyzed how to unfold and explain the central idea. After the meeting, he probably thought about it.他忙过去，心下不由打鼓起来，没有平日的活泼灵动。Invoker is the caller (commander), Receiver is the caller (soldier), MyCommand is the command, which implements the Command interface, holds the receiving object, and looks at the implementation code: