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【判断题】
同抽象类一样,使用接口名称作为一个引用变量的类型也是允许的,该引用可以用来指向任何实现了该接口的类的实例。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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