Multiple choice technology programming languages

Which interface does TreeMap class implement ?

  1. Set

  2. SortedSet

  3. List

  4. Tree

  5. SortedMap
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E Correct answer
Explanation

TreeMap is a Map implementation that maintains its keys in sorted order. It implements the SortedMap interface (and NavigableMap which extends SortedMap). It does NOT implement Set, SortedSet, List, or a 'Tree' interface.

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