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男主陈重因送红包花光积蓄30万，怒而伙同好友们策划一系列意想不到的“回本”计划，一场由红包引发的喜剧，就此展开了……在繁杂的商业关系里，各种各样的商业行为都依赖公关去包装、推广，他们虽见尽富贵荣华，当中的金钱与权力却从来不属于他们。终日面对纸醉金迷的氛围，谁不会心动?谁又甘心毕生屈膝侍人?现在，斗战胜佛怎么就这样死了？我表示不能相信。吴老二进城务工，投奔在城里卖手抓饼的大哥，不料爱上了性感嫂子阿莲。青年土豪庆庆是阿莲的初恋男友，偶然相遇，激情火花四射，一段五迷三道、遍地奇葩，大打出手的故事就此拉开了帷幕……　　高利Let me explain the role of these classes: MySubject class is our main object, Observer1 and Observer2 are objects that depend on MySubject, and Observer1 and Observer2 must change when MySubject changes. The AbstractSubject class defines a list of objects to be monitored, which can be modified: add or delete monitored objects, and when MySubject changes, it is responsible for notifying the objects that exist in the list. Let's look at the implementation code:In real life, when people want to use something, their first reaction is to find it. For example, they want to drink fresh orange juice. In the days when there is no drink shop, the most intuitive way is to buy a blender, oranges and then prepare boiled water. It is worth noting that these are all the processes of your own "initiative" creation, that is to say, a glass of orange juice needs to be created by yourself.