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Which interface does java.util.Hashtable implement？（）
- A、 java.util.Map
- B、 java.util.List
- C、 java.util.Hashable
- D、 java.util.Collection
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单选题Which interface does java.util.Hashable implement？（）A
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单选题Which interface does java.util.Hashtable implement？（）A
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