抖音国际黄色板

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:Link: https://pan.baidu.com/s/1gggerkv Password: v2l6感谢书友【黑夜z游侠】一万起点币的打赏，月下谢谢了。In recent years, due to the strong development trend of online education and quality education, the education field that combines the two has attracted many entrepreneurs and is favored by many capital. Among them, it is considered to be another emerging track in the field of online education after children's English-the cultivation of children's thinking ability, which has become the target of capital investment. From February 2017 to now, more than 10 financing incidents have been revealed in the related fields of online children's thinking ability training, and the frequency is increasing.众人听了大笑。警局接到一通匿名电话，对方声称劫持了警队的一辆前线冲锋车以及车内的五名警员和武器装备。此次事件引起了香港警队高层的高度重视，适逢处长出访国外，此时由鹰派人物行动副处长李文彬与年轻的管理副处长刘杰辉一起负责这次案件，并将行动命名为“寒战”，李文彬任总指挥。李文彬的儿子也是人质之一，刘杰辉因此对李文彬父子产生怀疑。与此同时，匪徒展开了进一步行动，到底是谁在将整个警队玩弄于鼓掌之中？