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The third adapter mode is the adapter mode of the interface, 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:经典爱情千古流传，悲喜交织张力十足。The adapter mode converts the interface of a class into another interface representation expected by the client, in order to eliminate the compatibility problem of the class caused by interface mismatch. It is mainly divided into three categories: class adapter mode, object adapter mode and interface adapter mode.Grandma Lily got up and went to the cabinet, took out three gifts, slowly walked to the front of the fireplace in the living room, and put them into three socks in turn.Telecommunications福威镖局在他的手里，规模扩大好几倍。Schedule: Determines the execution time and frequency of the event (note that the time must be the future time, and the past time will make mistakes). There are two forms: AT and EVERY.