Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows:
清末年代，一群驻守山区的清兵血洗了一个藏有黄金的部族，将黄金瓜分。民国年代，当年的事已经烟消魂散，分得黄金的人或死或失散，在十里洋场的上海，还剩下五个当时把部落灭绝的清兵。姚华生和姚发兄弟凭着那些黄金大做买卖，已成了社会名流；许名扬本来是随军医生，得了黄金后大感内疚，把黄金送了去慈善机构，继续做医生行医；黎北花尽钱财后，在传教仕主理的医学院中任杂役，希望能减轻自己的罪孽；牛老八的黄金都在赌桌中散尽，以要饭为生。当年那个部族的后人--医学教授叶玉树，正在饲养巨型的变种蝙蝠，进行他的复仇大计。于是从某一天开始，当年在云南驻守过的清兵一个个离奇死亡，一时从从都说有鬼。好管闲事的考古学家白一飞、巡捕陈忠道和医科学生许如浓组成了捉鬼敢死队，他们的参与令计划出现了变化。
他被黄豆出其不意地绕晕了头，这会儿已经清醒过来，加上本就是心思灵动的，略一思索，就冷笑道：郑兄真是‘欲加之罪，何患无辞啊。
这已经不是归还儿子的问题了。
早就想要直接和越国开战，出一出心中的恶气了。
女编剧汪明明接下一出边写边拍的偶像剧，暗中通过师傅推荐，让已经过气的男演员尹森当上了男主角。尹森刻意接近明明，扰乱了明明的生活。而明明的师傅去杭州发展迟迟未回，明明只得硬着头皮接手整出戏。尹森很清楚自己此刻是利用明明，为了保住自己的男一号地位，还是和她在一起，某些片刻，他甚至以为自己真的爱上明明了。为了转移注意力，他刻意讨好女主角沈沛妮。尹森红了，他不再靠明明的庇护了，但在尹森还没做出决定前，明明却敏感的发现尹森变了，提出分手的人是明明，她甚至无力继续剧本工作。这段爱情，至此仿佛已经划下了句点。但真的结束了吗？跨过30岁的汪明明，在这段从天而降的恋情中有了自信——最终她找到了自己的幸福。
Metabolic, immune and endocrine diseases are not qualified.
漂亮的售楼小姐马可打车时把售楼合同书和十万元现金丢在了车里，出租司机李伟大拾金不昧，马可非常感动。在老妈刘海棠的鼓励和帮助下，李伟大披荆斩棘终于娶到马可。婚后婆媳俩相互较劲，李伟大靠自己的智慧在两个女人之间做着平衡。同时，李伟大的妹妹伟茹的故事也在上演。身为记者的伟茹因采访一起“集资诈骗案”结识了周磊，两人产生了感情，走到了一起。李家的日子越过越红火，婆媳相处日渐和睦，马可怀孕了，李伟茹举行了婚礼。刘海棠找了老伴，分手那一刻，马可由衷地喊了声：妈，您要常回来。婆媳俩难舍难离，紧紧地拥抱在一起。
2. Ships of 12m or more but less than 50m in length:
In any case, Station B has ushered in the 10th anniversary all the way. I sincerely offer my best wishes. Comparatively speaking, it is still the most successful secondary website in China. I cannot leave it and hope Station B will get better and better.
陈四祥暗慕瑞莲已久，他丧偶四年，还带着一个八岁的儿子阿寿。当万锦洪知道瑞莲出嫁的事情时已为时过晚。一气之下他留在了香港，并在舅舅的水产店里当上了账房先生。
Silicone doll series, the total number of broadcasts across the network exceeded 20 million, with a maximum number of broadcasts per episode of 5.26 million. After the series of contents were launched in the form of daily updates, Jianchang's microblog rose by more than 6,000, WeChat's public number rose by 2,000 +, and Station B rose by nearly 7,000, which not only attracted the continuous attention of users, but also drove the growth of subsequent video broadcasts and more effectively improved the transformation of users. At the same time, the series of contents are promoted in cooperation with many influential We Media such as highway shops and cicada creativity, which is conducive to the spread of the brand image of Jianchang.
BBC最新青春喜剧，改编自同名电影，讲述两个好基友调皮捣蛋的故事，青春中二基情满满，已续订第二季。
Behind both analysis and synthesis is classification ability. Analysis is to find differences in one class, while synthesis is to find commonality in different things, which is equivalent to the dimension of classification. In fact, the core of pyramid principle and structured thinking is classification ability. This is also why many people have learned pyramid principles or structured thinking, but they still cannot analyze and solve problems because they have not accumulated a large amount of knowledge in a certain field (declarative and procedural knowledge, situational knowledge) and do not have conceptual ability in the field.
本片荣获1983年青年艺术家奖最佳动作片奖。
该剧围绕着来自过去的原创K-POP音乐天才朴严（姜澯熙 饰）；有着令人心痛轮回秘密的国乐演奏家兼街头表演少女闵有贞（朴净涓 饰）；过去曾是乐师现在是最顶级的人气偶像李元（李承协 饰）；过去是神女现在是企划公司室长郑道英（智安 饰）为中心展开的音乐罗曼史剧。
在望弟的细心照顾下招福日渐康复，两人日久生情。另一方面招家上下都无法容忍招积的行为，便请来了太叔公（乔宏 饰）重选当家，望弟觉得招福有权利争取到自己的一切，便努力训练招福…
