Which interface provides the ability to see changes in real-time as they occur ？ （）
- A、 ConcurrentMap
- B、 java.util.AbstractMap
- C、 ObservableMap
- D、 InvocableMap
正确答案:C
答案解析:有
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Oracle认证考试
Oracle认证考试
Which interface provides the ability to see changes in real-time as they occur ？ （）
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