A

Admin • 830.13K Points
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Q. Which of these Set types allows null elements?

  • (A) HashSet
  • (B) TreeSet
  • (C) EnumSet
  • (D) None of these
  • Correct Answer - Option(A)
  • Views: 16
  • Filed under category Java
  • Hashtags: Java Set
Explanation by: Admin
HashSet allows one null element; TreeSet throws NullPointerException.

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