You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）
- A、Java.util.Map.
- B、Java.util.Set.
- C、Java.util.List.
- D、Java.util.StoredSet.
- E、Java.util.StoredMap.
- F、Java.util.Collection.
正确答案:D
答案解析:有
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