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看着眼神涣散的国公夫人，他跪下道：娘别生气，儿子答应就是了。黄夫人笑道：小小年纪，倒是肯吃苦。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:两个老头子都轻轻点点头，表示同意。随着粉丝数量越来越少，两位旅游视频博主开始围绕一位超级主持人开启了新的策划，而这位超级主持人可不仅仅因此而满足小葱深吸一口气，轻声又坚定地说了一番话。