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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).　　在兰山酒吧内外监视的杜丽等上前亮明身份将小钢炮要走，罗山民警们不服，但无奈。厅领导郝鸿烈批评叶春生不动脑子并下达任务给叶春生。叶春生回到罗山后，深夜来到看守所，密会即将被执行死刑的毒贩老九。得知叶春生已经很仗义地妥善安置了女儿被收养的事情，老九动情之下，终于吐露出老家祖屋里埋藏的秘密。】有时势性的——朱元璋：【驱逐鞑虏，恢复中华，陈纲立纪，救济斯民。　　2. 《热带惊雷》是著名喜剧影星本·斯蒂勒自导自演的一部动作喜剧，讲述的是一个电影剧组在东南亚拍摄一部昂贵大制作越战影片时所发生的故事。17岁演员入江甚仪将首次主演由手机小说改编的同名日剧《金鱼俱乐部》，一同合作的是14岁演员刈谷友衣子。《金鱼俱乐部》讲述无所事事的少男（入江甚仪饰）和孤独的少女（刈谷友衣子饰）两人相遇后组成“金鱼俱乐部”，透过社团活动互相走近，相恋的故事。小青山深处，一条两尺来宽的山溪边，板栗将一个用细藤和草编织的网子堵在溪流下游，然后手执一根树棍，不住地敲打两边水草，从上游趟着溪水将鱼往下赶。