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:
1. DNS QUERY flood attack
由Gil Grissom领导的拉斯维加斯警局犯罪鉴证科夜班组的任务是深入案发现场寻找种种蛛丝马迹，并利用最先进的科技手段，把表面上没有任何联系、没有意义的线索拼凑成不可辩驳的证据，抽丝剥茧重组案情，让犯罪分子无处可逃……
HBO正式宣布续订《104号房间》第二季。该剧一集一个故事，一个选集系列设置在一个单一的酒店房间，在那里每一个客人谁来住宿揭示一套独特的情况和怪癖。
我总觉得这事蹊跷的很。
Keep your name, keep your name and look at it slowly.
Stance sells socks, but a sock brand is loved by many stars and trendy brands, and many sports brands cooperate with Stance. This sock brand is very popular now.
(Note: The use period of one-day bus and subway tickets is until the same day)
//Register multiple delegates for the event
周星河的脸更苦了，他知道自己被嫌弃，但是看了施薇的表演，才知道原来自己被嫌弃到了这种地步。
Public class Invoker {
为了给一条新公路腾出空间，官员们受雇赶走部落村民，却解揭开了一个古老的诅咒，并发现了一支由不列颠士兵组成的僵尸大军。
永平帝脑子嗡嗡响，一会觉得肃王说的有理，一会又觉得仁王说的有理。
Sets the default policy (default action) for the specified chain of the specified table, not adding rules.
Pancake和Vee的第三次合作！
(5) iTunes on the computer side detected an iPhone; in recovery mode. Click "Restore iPhone". And in the pop-up prompt, click the "Restore and Update" button. Then iTunes will check the latest system firmware for iPhone and then follow its requirements step by step.
内容提要： 平凡善良的大一女生小水刚步入新的大学环境。刚开始沉默寡言的她不太与同学交流，在同学的帮助下，小水敞开心扉，渐渐地与同学们结识成为好朋友。在好友王昕、刘莉莉、袁媛的鼓励下，小水成功地报名了学校的话剧社，结识了优秀的阿亮学长。小水很想多和阿亮学长学习，向阿亮学长一样优秀。同学们都看到小水在话剧社里的努力练习，虽然期间经历了小插曲，但最终在小水不懈的努力下，拿到第一名的好成绩。小水也成为全校校花级人物。
