Multiple choice

Which of the following is false about vector class in java collection framework?

  1. Vector is not synchronized.

  2. Vector can be resized the array as needed.

  3. Vector gives costlier performance as compared to ArrayList.

  4. Vector is also called dynamic array.

  5. None of the above
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A Correct answer
Explanation

This is a false statement as Vector is synchronized and can be used for thread safe operation.

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