A

Admin • 825.56K Points
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Q. Can TreeSet contain null elements?

  • (A) Yes
  • (B) Only at the end
  • (C) Only one null
  • (D) No
  • Correct Answer - Option(D)
  • Views: 7
  • Filed under category Java
  • Hashtags: Java Set
Explanation by: Admin
TreeSet does not allow null elements; it throws NullPointerException.

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