A

Admin • 828.03K Points
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Q. Which of these Deque methods is safe to use when the deque may be empty?

  • (A) removeFirst()
  • (B) getLast()
  • (C) pollFirst()
  • (D) pop()
  • Correct Answer - Option(C)
  • Views: 10
  • Filed under category Java
  • Hashtags: Java Deque
Explanation by: Admin
pollFirst() returns null instead of throwing exception if deque is empty.

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