R

Ram Sharma • 3.40K Points
Extraordinary

Q. What type of map is returned by default from `Collectors.groupingBy()`?

  • (A) TreeMap
  • (B) HashMap
  • (C) LinkedHashMap
  • (D) EnumMap
  • Correct Answer - Option(B)
  • Views: 2
  • Filed under category Java
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Explanation by: Ram Sharma
`Collectors.groupingBy()` returns a `HashMap` by default unless a custom map supplier is provided.

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