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亨利和弗雷迪是一对双胞胎兄弟,在他们还是婴儿的时候,因为意外失散了,而且他们也根本就不知道对方.亨利被一个非常诚实老实的人收养了,而弗雷迪却变成了一个匪徒.亨利是个非常腼腆的人,而且带有轻微的精神问题.可是随后,这对双胞胎的身份被揭开,原来他们是一个欧洲贵族家庭的孩子,而此时给他们留下一大笔的遗产……Y理论第二季……见他年纪小，便专门挑了四个小子、四个丫头，都是七八岁，供他使唤并伺候他，顺便陪他读书和玩耍。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:哎呀，你的衣服都裂开了。16岁的运动员蒂姆天赋异禀、表现优异。然而他所承受的压力让他几近崩溃，甚至无法挽回地触犯了人性的底线。忙用力往上一提竹竿，拽上来一条半尺长的大鲫鱼。