单项选择题

Which interface provides the ability to see changes in real-time as they occur ？（）

A. ConcurrentMap
B. java.util.AbstractMap
C. ObservableMap
D. InvocableMap

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单项选择题

A.POPULATE_LIST
B.POPULATE_GROUP
C.POPULATE_LIST_ITEM
D.POPULATE_LIST_FROM_GROUP
E.POPULATE_LIST_ITEM_FROM_GROUP

填空题

单项选择题

A.《百合花》
B.《红豆》
C.《美丽》
D.《在悬涯上》

Which interface provides the ability to see changes in real-time as they occur ？ （）