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The adapter for the interface is as follows: Sometimes we write an interface with multiple abstract methods, When we write the implementation class for the interface, All methods of the interface must be implemented, This is obviously wasteful at times, Because not all methods are what we need, Sometimes only a few are needed, In order to solve this problem here, we have introduced the adapter mode of the interface. With the help of an abstract class, the abstract class implements the interface and all methods. However, we do not deal with the original interface, but only get in touch with the abstract class, so we write a class, inherit the abstract class and rewrite the methods we need. Take a look at the class diagram:年过三十，相貌平平的田可馨是一家婚庆公司的职员。她的梦想就是成为一名优秀的婚礼主持人，然而田可馨在经过一番波折才得以接下主持的一场婚礼上，因偶然发现相恋五年的男友与某地产公司老总的女儿举止亲密而非常失态，婚礼现场一片混乱。The most important are three points:不都是家里的。(3) There are more than six registered fire engineers, of whom at least three are first-class registered fire engineers;　　直到有一天，他被骤然爆发的血雨腥风抛向了命运的惊涛骇浪，欲逃无路，欲罢不能。从此，十分惜命的草根贱民板凳与命悬一线的中共党员唐雪梅及其“女儿”小女孩红儿，结下了不解之缘，彼此间发生了一连串的恩恩怨怨、分分合合，以及心灵的碰撞、情感的纠葛。而令板凳命运突变和陡转的那一天便是1927年4月12日。