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What is the difference between TreeSet and SortedSet?(a) TreeSet is more efficient than SortedSet(b) SortedSet is more efficient than TreeSet(c) TreeSet is an interface; SortedSet is a concrete class(d) SortedSet is an interface; TreeSet is a concrete class

Answer» The correct answer is (d) SortedSet is an interface; TreeSet is a concrete class

Explanation: SortedSet is an interface. It maintains an ordered set of elements. TreeSet is an implementation of SortedSet.


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