未分类题
Youneedtostoreelementsinacollectionthatguaranteesthatnoduplicatesarestored.Whichtwointerfacesprovidethatcapability?()
A.Java.util.Map
B.Java.util.Set
C.Java.util.List
D.Java.util.StoredSet
E.Java.util.StoredMap
F.Java.util.Collection
【参考答案】
B, D