色情咪咪

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:All kinds of halo (Xun Yu, Lu Zhi, etc.)刘邦歪着身子坐在席上，叹道：项羽竟然和韩信谈判了，当真是出乎寡人的预料。Oppo also invited South Korean stars to speak for the Southeast Asian market.在命运的交叉点，当麻和焚流能否阻止世界的灭亡？For example, the above Liezi, Xiao Ming and Xiao Hong do not need to visit Taobao every day to see if the shoes have arrived. At the right time, when the publisher (seller) arrives, they will notify the subscriber (Xiao Hong, Xiao Ming and others).Thirty-sixth fire technical service institutions shall comply with the provisions of price management laws and regulations.