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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:帕顿·奥斯华迈入 50 岁，他重新结婚、购置新房，还在丹尼斯餐厅经历了一场生存恐惧。在这部最新的单口喜剧特辑中，他讲述了生活如何匆匆地与自己擦肩而过。The second season's program has been upgraded and innovated in an all-round way. In order to promote the transformation of the achievements of "Charming China City," Charming China City? The "City Alliance" was announced and the "Charming Card" program was officially launched to leverage the development of local industries with city brands and inject a strong impetus into the upgrading of cultural and tourism industries.　　据悉，索尼已经与很多家知名的App达成协议，将会在电影中用到他们的App，其中包括音乐应用Spotify。A&E电视网宣布续订《贝茨旅馆》（Bates Motel）第三季，订数仍然为10集。该剧目前是A&E电视网收视率表现最好的节目之一。