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B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).HBO剧《继承Succession》由电影《大空头》编剧导演AdamMcKay执导并监制﹑Jessemeijubar.netArmstrong（负责编剧）与WillFerrell参与制作，现定于美国时间6月3日首播。该剧围绕国际媒体巨头Roy一家的家庭丑闻内幕，这虽是虚构的故事，不过主创表示剧集有影射媒体巨子SumnerRedstone。剧中LoganRoy及他的四个孩子控制着全球最大的媒乐媒体集团之一，年迈的父亲（BrianCox饰）开始退出公司，而他的孩子则思索如何抓紧机会继承这帝国。其余演员包括JeremyStrong﹑HiamAbbass﹑SarahSnook﹑KieranCulkin﹑AlanRuck﹑NicholasBraun﹑MatthewMacfadyen﹑NatalieGold﹑PeterFriedman及RobYang。NotifyObservers ();板栗笑道：那也没法子。Woboni Sharing Test Method:影片讲述了美丽的“无岛”上七名居民连续被杀的故事，徐英姬扮演的女主人公，从原本淳朴的女性一瞬间变成了残忍的女人。另一位主人公池成媛则是见证了一连串事件的人。　　该片根据真实事件改编，1980年伊朗驻伦敦大使馆遭六名恐怖分子袭击，而SAS(特种空勤团)战士等和恐怖分子的对峙持续将近六天，第六日最后的反击开始。