R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which map uses weak references for keys?

  • (A) HashMap
  • (B) ConcurrentHashMap
  • (C) WeakHashMap
  • (D) TreeMap
  • Correct Answer - Option(C)
  • Views: 9
  • Filed under category Java
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Explanation by: Ram Sharma
`WeakHashMap` uses weak references for keys and allows garbage collection of unused entries.

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