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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:C:\ Program Files\ Java\ jdk1.8. 0_144 (just paste and copy directly in the JDK installation directory, which is convenient and fast, or is it an absolute path, and the following paths are also available)汉王，您没事吧？韩信和张良担心不已，关切询问。该节目比传统刑事案件报道更有情节性和悬念性。《CSI》的专职顾问伊丽莎白·德瓦恩是一位曾在洛杉矶安全部门供职长达15年的犯罪现场调查人。该节目收视率之所以居高不下，41岁的德瓦恩功不可没。另外，《CSI》已成为美国警方的必备学习教材，连英国苏格兰场、日本警卫厅以及法国警局都视之为反恐教材。怀揣梦想的平凡少女沈螺，远离喧嚣的城市，回到安静的海岛生活。不料偶然间救起一个叫吴居蓝的男子，竟然是个和人类的进化方向完全不同、来自大海的高等生命体——鲛人。他以不凡的能力和智慧一次又一次地帮助沈螺度过难关，战胜危机，深深地吸引了沈螺。两人一路磕磕绊绊，从互相了解到互相信任，最后产生了深深的爱情。　　仅7天的浪漫第二季《逆缘》是一部由香港电视广播有限公司制作，黎耀祥、姜大卫、林夏薇、夏文汐等主演的香港tvb电视剧。