亚洲综合图区第一页

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:众人皆以为林指挥的话犯了他的忌讳，张富事件可是刚过去呢。As a child, I have been living in a rural compound. There was a Peng family in the courtyard who gave birth to three children. At that time, I started to charge for vaccination. In order to save money, Peng Jia saved many vaccines.Recently, the author visited some cancer patients, looked through the data, got some insights, and made the following article.就这样，二人到了张府，见了长辈，李敬文又转述了皇上的旨意，于是两家人都兴奋不已。Of course, if the average trainer is not heavy, it is not a big problem to choose which shoes. However, with the improvement of results, the problem of shoes should be considered.