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:
青年学生程翥青与京剧名伶陆凤云和卖烟女大巧儿演出一段悲欢离合乱世奇缘，引发一桩轰动津门谋杀案。
[News] On May 5, the Chinese website of China Daily reprinted an article entitled "Revealing the Amazing Truth of Fan Bingbing's Mother and Daughter Waiting for Hong Kong's Eldest Brother". The article said: Yang Shoucheng mentioned by Huayi employees is only one of the large families who kept Fan Bingbing. In fact, more than one or two people kept her, and the mother and daughter went to the battle. On May 24, the website received a civil complaint.
The second is to learn the whole design mode. I think many modes are very similar and I can't tell the difference between them.
三来也是避嫌的意思，怕红鸾不自在。
Yes, the worst one was caught by three, two biting on both sides of the waist and one biting on the head. In a blink of an eye, I watched helplessly as the two on both sides bit off the brother's waist and the head was pulled down later. "Wang Zeduan said.
钟戈（李欣泽饰）是信联集团沈尹县分公司代理，正在接待新任上司泽田（徐浩饰），在气氛诡谲的云川温泉欢迎会后，钟戈的妹妹韩真儿（何蓝逗饰）遭遇绑架，被关入密室水房开始一场性命攸关的直播游戏。泽田自愿帮助钟戈展开搜索，随着调查的深入，无数线索串联直指向几年前在云川温泉发生的人命悬案！一个扑朔迷离的旧案，一次分秒必争的解救，钟戈只有找到旧案的凶手才能找到妹妹。而警方的势力也悄然介入，多方势力纠葛，钟戈陷入困局。一个神秘包裹的出现，竟将疑点逐渐聚焦新任上司泽田！双方对峙大打出手，钟戈误杀泽田。然而一切还没有结束，韩真儿依然被困直播游戏，密室濒临淹没……温泉旧案的凶手隐藏了什么秘密，钟戈能否顺利找到韩真儿，而这一切的幕后真凶，又究竟是谁……
Hearing this, Grandma Lily secretly shed tears.
《沉默不语的顾小姐》讲述的是顾轻舟改名换姓为了给哥哥洗清冤屈而精心布置了一系列计划，以为一切尽在掌握，没想却陷入了一场局中局，变成了别人的棋子，面对亲情、友情和爱情，在坚守和放弃中，她最终拨开了迷雾，找出了真相，也找回了真实的自己。
《杨光的快乐生活5》延续了以往的喜剧风格，故事性更强，情节大喜大悲。该剧由著名相声演员杨少华、杨义父子二人主演，多位明星客串，自播放以来收视率一路飙升，在各地电视台不断创下收视率新高。 做为一部展现天津本土文化的电视剧主演杨义表示：《杨光的快乐生活》系列电视剧已经成为一个文化品牌，自己会一直坚持做下去。
CBS宣布续订《反恐特警组》第4季。
由戚其义监制的警匪动作剧“O记实录”，取材自皇家警队“有组织罪案及三合会调查科”，简称O记部门。故事加插连场火爆警匪恶斗，剧情紧张刺激。
其二，取杭州之局怕是部署已久，摸透了胡宗宪急于求胜的心态，逼大军压至宁波，这边再暗度陈仓。
现在，谁会关心这个？国术，那是什么？有跆拳道帅吗？满大街上，大爷大妈都在练太极拳，这些太极拳招式还真是杨露禅捣腾出来的。
秦枫摇头，眼神深邃地望着他，坚定地说道：此事断然不能从命。
黛丝大喜，两人暂时结成联盟。
USA宣布续订该台最高收视剧《金装律师 Suits》第七季，这令到该剧将会到达第100集的里程碑。
尼基和莱尔小组被调来调查公司攻击变性人。
