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Java: In Java, which comparison about Deque for Sliding Window Maximum is accurate?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

In Java, which comparison about Deque for Sliding Window Maximum is accurate?

  1. It is more efficient than rescanning each window and more precise than a plain queue that keeps stale elements.
  2. There is no practical difference in behavior, performance, or API design when Deque for Sliding Window Maximum is involved.
  3. The oldest option related to Deque for Sliding Window Maximum is always the right production choice regardless of context.
  4. Differences around Deque for Sliding Window Maximum are mostly cosmetic, so correctness and maintainability do not change.

Hint

Focus on the behavior or tradeoff, not just the keyword.

Answer and rationale

Correct answer: A. It is more efficient than rescanning each window and more precise than a plain queue that keeps stale elements.

It is more efficient than rescanning each window and more precise than a plain queue that keeps stale elements. This is the comparison that usually separates memorization from understanding.

Track: Java