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This article is produced by Netease Intelligent Studio (Public Number Smartman 163). Focus on AI and understand the next big era!说目中无人已经不足以形容了，像韩王成角色在项羽眼中完全是不入流的，根本不用在乎他的感受。决定时间了吗？我现在赶回去，来得及吧？当然来得及。D. Invoke (str);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: