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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:Ningxia Hui Autonomous Region她原本和最好的朋友Boo合伙在伦敦经营着一家咖啡厅，然而她的生活因好朋友的意外去世而发生变化。Fleabag的伦敦生活非常不如人意：和姐姐Claire（茜安·克利福德 Sian Clifford 饰）的关系疏远；爸爸选择和继母生活而忽视女儿；男朋友又一次提出分手；最让她难受的是，现在的生活看似早已恢复正常，但是昔日好朋友的身影时常闪现。往日和如今的场景相互交叠，暗涌的情绪找不到适当的宣泄口，Fleabag伦敦生活的走向会是如何……Cpu.startup ();你当自个还小，咋还这么调皮。回头对出来，还以为咱们忒不会做人哩。