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梦幻书院开学啦！新的学期小伙伴们将一起出去游玩。游学路上妙趣横生，不知道可爱的小伙伴们又会遇到什么有趣的故事呢？《梦幻西游》手游同人小剧场即将开课咯！敲黑板！记得认真听课，梦幻书院的师父们还有江湖秘技要传授给大家哦！！这我信，初次见面就险些被手刃。Output: 103个谢绝婚姻的轻熟兄弟，6段你情我愿的情感关系，5对非诚勿扰的灵魂爱侣，这群闪婚一族，能在365天内，追求梦寐以求的真挚感情，在求爱大作战中旗开得胜吗？　　两个男人 为了爱情学习责任的过程不过啊，那姑娘长得确实水灵秀气……呵呵，后来呢？后来啊？那位老爷在湖口上岸，我们返回，便再未见过。User class unified interface, User1 and User2 are different objects respectively, and they are related. If the mediator mode is not adopted, the two need to hold references to each other, so the coupling degree between the two is very high. In order to decouple, the Mediator class is introduced to provide unified interface, and MyMediator is its implementation class, which holds instances of User1 and User2 to control User1 and User2. In this way, User1 and User2 objects are independent of each other. They only need to maintain a good relationship with the Mediator, and the rest is maintained by the MyMediator class! Basic implementation: