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Whichinterfaceprovidestheabilitytoseechangesinreal－timeastheyoccur?()A.ConcurrentMapB.java.util.AbstractMapC.ObservableMapD.InvocableMap
题目
Whichinterfaceprovidestheabilitytoseechangesinreal－timeastheyoccur?()
A.ConcurrentMap
B.java.util.AbstractMap
C.ObservableMap
D.InvocableMap
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参考答案和解析
参考答案：C