R

Ram Sharma • 3.40K Points
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Q. Which collector can be used to produce a frequency map?

  • (A) Collectors.groupingBy(e -> e, Collectors.counting())
  • (B) Collectors.toMap()
  • (C) Collectors.summarizingInt()
  • (D) Collectors.mapping()
  • Correct Answer - Option(A)
  • Views: 8
  • Filed under category Java
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Explanation by: Ram Sharma
`groupingBy()` with `counting()` produces a frequency map of elements.

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