A

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Q. Which Map implementation uses the least memory for enum keys?

  • (A) HashMap
  • (B) EnumMap
  • (C) TreeMap
  • (D) LinkedHashMap
  • Correct Answer - Option(B)
  • Views: 10
  • Filed under category Java
  • Hashtags: Java Map
Explanation by: Admin
EnumMap is designed to use minimal memory for enum keys.

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