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There are five kinds of creation modes (1-5): factory method mode, abstract factory mode, singleton mode, builder mode and prototype mode.《从海底出击》续订第二季。《看书痴列传》（又译《书迷列传》）讲述了韩国著名小说《洪吉童传》的诞生轶事。“犯罪心理”“连环杀人案”等现代词汇不时冒出，一定会让你忍俊不禁。在案件侦破的过程中，书虫、书洞、书郎你方唱罢我登场，原来看个书还有这么多门道！该剧融合了喜剧、犯罪、刑侦等多种元素，一定会让你欲罢不能！看着陈文羽越来越激动，陈启连忙递出茶杯。电视剧《开天辟地》将以中共一大为历史背景，全景展现中国共产党建党前后的风云历程。是由上影英皇打造的建党90周年重点献礼剧》。李敬文回头看了看，暗自埋怨道：你们急什么？慢慢走就是了。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: