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Public void update ();Structural patterns, as the name implies, discuss the structure of classes and objects and are mainly used to deal with the combination of classes or objects. It includes two types, one is class structure pattern, which refers to the combination of interfaces or implementations by inheritance mechanism. The second is the object structure mode, which refers to the realization of new functions by combining objects. It includes adapter mode, bridge mode, decorator mode, combination mode, appearance mode, element mode and agent mode.由央视纪录频道推出的系列纪录片《城市24小时》（第一季）于2019年5月20日在央视纪录频道播出，首季《城市24小时》聚焦郑州、武汉、深圳、成都、厦门五座城市，以一天24小时为观察轴线，通过不同时间节点上真实和鲜活的生活图景，找寻每个城市独特的气质和个性；从司空见惯的日常琐事中还原被忽略的城市之美。查明真相再放人，如何？王丞相不料他这样推崇自己，倒是意外的很。谁知这尊活佛居然自己上门来了，真真是喜出望外。16.8 Chronic progressive diseases of throat that affect function and are not easy to correct are unqualified.进京后，这件事还没解决，大苞谷就找上门来。