R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is the purpose of `Collectors.groupingBy()`?

  • (A) To filter elements in a stream
  • (B) To sort stream elements
  • (C) To group elements by a classifier function
  • (D) To merge multiple streams
  • Correct Answer - Option(C)
  • Views: 10
  • Filed under category Java
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Explanation by: Ram Sharma
`groupingBy()` groups elements by the result of a classifier function into a Map.

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