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A mediation object is used to encapsulate a series of object interactions. Intermediaries do not need to explicitly refer to each other, thus loosely coupling them and independently changing their interaction.2. All state-related behaviors are packaged in the buttonWasPressed method. If strong light, super light and ultimate strong light are added to this lamp in the future, it will be impossible to predict how much this method will expand. Of course, in order to simplify the example, when the state changes here, simply print a log and innerHTML that changes the button. In actual development, there may be much more things to deal with, that is, the buttonWasPressed method is much larger than it is now."Good, good, great! I like to hear grandma tell stories best!" As he spoke, he happily cocked his two little feet and went up and down.That is to say, the less a class knows about the classes it depends on, the better. In other words, no matter how complex the dependent class is, the logic should be encapsulated inside the method and provided to the outside through the public method. In this way, when the dependent class changes, it can minimize the impact on the class.杨长帆也搞明白了，这些人不是普通的募兵，是雇佣兵。邵雨薇主演酷瞧《可恶！把我的青春还给我》，近日在保龄球馆拍完最后一场戏，邵雨薇与4枚小鲜肉，夏腾宏、欧阳伦、徐韬与张珀榕在保龄球球道前围成了圈、开心地击掌欢呼高喊“杀青快乐”！本剧预计12月18日于酷瞧官网、App播出。　少女洛夕三次意外穿越，分别来到启朝、安朝和辰国，带回了霸道的始皇帝秦尚、帅气但阴险的亡国之君慕容宇、机智过人的乱世之主郭晏三个皇帝，四个人在现代开始了糗态百出鸡飞狗跳的同居生活。面对秦尚和慕容宇两人的倾慕，洛夕无法抉择。同时，她还不得不面对来自学校和父母的压力，以及闺蜜乐雪下落不明的担忧和自责……而这一切事件的背后，又隐藏着上古传说的秘密。凶神混沌的阴谋始终笼罩在几个年轻人身边，伺机而动。洛夕和秦尚等人不得不一一化解危机，拯救身边的人也从过去的束缚之中拯救自己……