R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does `Collectors.groupingBy()` do?

  • (A) Sorts the stream
  • (B) Groups stream elements by a classifier function
  • (C) Filters null values
  • (D) Limits the stream size
  • Correct Answer - Option(B)
  • Views: 18
  • Filed under category Java
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Explanation by: Ram Sharma

`Collectors.groupingBy()` groups elements of the stream based on a classifier function.

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