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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:王穷便在香荽右手边坐了。所以，陈启就把目光放在游戏上。3. The customer groups are students, office white-collar workers, leisure groups, families, couples and other mass groups, 80% of which cover mainstream social groups.但是放在陈启一个辍学生身上，别人就不会看到大气磅礴、奇诡莫测，看的只是平淡、奇怪。Acute infectious and toxic mental disorders are qualified without sequelae after cure.罗七也冷笑一声，很是不屑。