R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which of these classes is synchronized?

  • (A) Vector
  • (B) ArrayList
  • (C) HashSet
  • (D) TreeMap
  • Correct Answer - Option(A)
  • Views: 6
  • Filed under category Java
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Explanation by: Ram Sharma
`Vector` is synchronized; the others are not thread-safe by default.

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