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那夷人凭什么？只凭一点。前面正街以北就是英王府邸，若是去了，不进去拜见不好，索性不往那头去。Storage: 59 GB of free space requiredPublic class Wrapper implementations Targetable {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:The whole network of "Learning Power" has more than 180 first-class columns in 17 sections, including "Learning New Ideas", "Xi Jinping Wenhui", "Learning Culture", "Global Vision" and "Learning Massive Open Online Course". The content is extremely rich and a large number of free-to-read news, periodicals, ancient books, open classes, songs, operas, movies, books and other materials are gathered.1 ", each Sentinel process sends a PING command once per second to the Master master server, Slave slave server, and other Sentinel processes throughout the cluster.