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故事中，宋江的态度与眼前的船主何其相似。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:40年代后期，洛杉矶有一片划归卡通动物族类居住的地区，称为“图恩城”。同时雪菜的小说也被读者认为没有LOVE情节，雪菜觉得要写出这样的情节就必须要有恋爱经验，正当她为此而烦恼的时候，却无意间得知了大受欢迎的同班同学北见时雨腹黑的一面。以此为要挟，雪菜开始利用时雨增加恋爱经验……。Gu Xixi was stunned at first and immediately knocked on the system wizard: "What's going on?" "Sorry, player." The system wizard did not pretend to be dead: "There is no imperial examination plug-in installed at this checkpoint." "Let...