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For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.The site of East Lake Park is the site of "East Lake Lotus Fragrance", one of the eight scenic spots in ancient Quanzhou. During the Tang Dynasty, the lake was more than 40 hectares, with East Lake Pavilion and Ergong Pavilion. Song YouBonn Pavilion; There are ancient pavilions in the Ming Dynasty. When lotus flowers are planted in full bloom, the fragrance of lotus flowers in Xinghu Lake wins. Tang Jiang Gongfu, Han Yu, Ouyang Zhan and others were famous for their activities. East Lake Park is characterized by Minnan architectural culture, with the central lake as the main body and cultural landscape arranged around the lake.香港公营医疗开支年复一年、几何级数式膨涨，宛如一颗随时爆破的计时炸弹。明成北医院是公营医院龙头，副院长杨逸滔（郭晋安饰）决意推行医改，为制度进行一场“大手术”。院内的天才医生唐明（马国明饰）质疑他的计划，恐怕医改实行，会导致有人因为无法支付医疗费用而死亡。二人理念不同，爆发连场冲突，但同样秉持着一颗拯救生命的仁医之心，并联合一群医护精英，守护明成北每一位病人，谱出一段段动人的仁心仁术故事。Private Vector < Observer > vector = new Vector < Observer > ();理查﹝乔纳森•莱斯筐•梅耶斯饰﹞原本只是个在驻法美国大使馆工作的低阶情报探员，却因缘际会和枪法神准却爱开玩笑的高阶探员瓦克斯﹝约翰•特拉沃塔饰﹞搭档，一起阻止恐怖攻击。《谷城》讲述的是全罗南道谷城郡一个村庄里发生的故事，因为一个诡异的日本人的到来，村子里发生了奇怪的事情，追查真相的刑警和帮助他的道士一起试图揭开谜底。该片也是二十世纪福斯 公司投资发行的新作，备受电影界的瞩目。