《办公室员工的滋味4》

The Liskov Substitution Principle (LSP) is one of the basic principles of object-oriented design. The Richter substitution principle says that wherever a base class can appear, subclasses can certainly appear. LSP is the cornerstone of inheritance reuse. Only when derivative classes can replace base classes and the functions of software units are not affected can base classes be truly reused, and derivative classes can also add new behaviors to base classes. The Richter substitution principle is a supplement to the "open-close" principle. The key step to realize the "open-close" principle is abstraction. The inheritance relationship between the base class and the subclass is the concrete realization of abstraction, so the Richter substitution principle is the specification of the concrete steps to realize abstraction. --From BaiduThe calculateBouns function contains many if-else statements.巨石强森在社媒体上公布NBC喜剧《Young Rock》的主要演员阵容，这部喜剧取材于他的生活，该剧将于2021年首播，由多名演员扮演他本人的不同阶段人生的角色！藤泽和米兹的婚礼即将举行之前，藤泽逃走了。另一方面，阵内在被封印的遗迹中让卡莉亚觉醒。在搜查藤泽的过程中，诚他们遇到了一位老人和另一位伊弗里达。大苞谷并不生气，淡然一笑道：这有什么难的，她肯定是被白凡收买了。此刻，见到刘邦如此态度，颤巍巍地接过酒杯，竟激动的说不出话来。