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:
十年前品学兼优自带男神光环的路非，与倔强叛逆的任性少女辛辰相遇。这样气场迥异的两人，却在一场意外中萌生了情愫，然而岁月欺人，两人最终走散。
"Weekend Day Voucher"
即便是自己没有什么想法，可是他身边的将领和臣子呢？从龙拥戴之功，这可是大功一件，得享荣华富贵的好办法。
杨长帆木木起身，这字画收藏好，当成传世之宝珍藏，日后见到极其投缘的高人再赠出。
After the INPUT chain is emptied, there are no rules for the INPUT chain in the filter table, but it can be seen that the default policy of the INPUT chain is ACCEPT, that is, the INPUT chain "releases" all messages sent to the local machine by default, accepts all messages when there are no rules, and releases messages by default when the messages are not matched by any rules.
Flammable fibres: Acrylic, wool, polyamide, polyester and silk
就是不放心哥哥，想看看你。
……尹旭木讷地离开，脑袋中一片空白。
据可靠消息，《狐妖小红娘》在今年要播出三部，分别是《竹业篇》《尾生篇》和《圈外篇》。目前《竹业篇》即将完结，接下来就是万众期待的《尾生篇》。《尾生篇》其实应该放在前面的，但可能是因为《竹业篇》太虐了吧，所以需要来一个轻松一点的来过渡一下，而且《尾声篇》的漫画非常的短，只有八话内容。所以放到《竹业篇》之后，非常的合适。
Direct release result: Additional damage does not eat the defense force of the defender, and can penetrate the shield, and is not increased by the damage rate of the equipment, and it seems that it cannot be critically hit.
描绘了与猫的真实日常生活的最引人注目的猫漫画2022年夏天，期待已久的动画化！
毕竟他不是一个崇尚暴力的人，不过这还要看无诸和姒摇识相与否了。
Discovery频道的《追缉：炸弹客 Manhunt: Unabomber》虽然影评及观众数上都有不错的表现，不过Discovery频道CEO David Zaslav表示他们要退出剧集领域改为重新专注在真人秀类节目，最终此剧转交到电视台Spectrum Originals。
The first handshake: when establishing the connection, the client sends syn packet (syn=j) to the server and enters the SYN_SEND state, waiting for the server to confirm;
当战争的阴影笼罩王国时，即使是奇迹之歌的光辉也被染上了血色。所爱之人的生命被夺走，无声的悲鸣响彻石牢。
Code first
(two) the qualification is cancelled according to law, continue to engage in social fire technical service activities;
Today, the little finger will take you to learn the operation method of professional mode.
