A

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Q. What is the return type of `putIfAbsent()` in ConcurrentHashMap?

  • (A) boolean
  • (B) void
  • (C) int
  • (D) V
  • Correct Answer - Option(D)
  • Views: 25
  • Filed under category Java
  • Hashtags: Java Map

Explanation by: Admin

`putIfAbsent()` returns the previous value associated with the specified key, or null if there was no mapping.

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