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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:这一遭又来算计，杀降卒是要背上千古骂名的。《星际旅行: 深空九号》（Star Trek: Deep Space Nine,简称「DS9」）是第三代星际旅行系列剧集，从1993年至1999年总共播出了七季，该剧共获得3项艾美奖，9项其他各类奖和42项各类提名。「星舰进取号」及其船员为主角，而以记述围绕在「深空九号」（Deep Space Nine）太空站周遭所发生的事件为主。故事发生在2369 年，深空九号太空站本来是卡达西人占领贝久后所建造的采矿太空...临走时，我专门见过臧荼、张耳和司马昂，知会他们这诸侯王是名正言顺，让他们一定做好。尹旭心中的大石总算是落地，长长松了一口气，其实从适才一见面韩信的说话的语气和神态，尹旭便多了几分侥幸。The moonlight slanted into the window and shone straight on the bed, making the darkness even more horrible. Stephen responded, confirmed the environment, and was shocked. He opened the portal and returned to the sanctuary.