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【单选题】
关于接口的描述下面哪个是正确的?()A.
接口是必须由接口本身实现
B.
接口是描述了一个类或组件的一个服务的操作集， 接口是描述了一个类或组件的一个服务的操作集 。
C.
一个类只能实现一个接口
D.
一个类必须要实现一个或多个接口
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皮皮学刷刷变学霸
举一反三
【单选题】a feeling of liking or wanting someone or something more than someone or something else
A.
decision
B.
product
C.
preference
D.
program
【简答题】someone or something that has the same job or purpose as someone or something else in a different place
【简答题】n. someone or something that has the same size, value, importance, or meaning as someone or something else
【简答题】v. to connect someone or something in your mind with someone or something else
【简答题】n. someone or something that has the same job or purpose as someone or something else in a different place
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