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Java: In Java, which comparison about Circular Queue and Ring Buffer is accurate?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

In Java, which comparison about Circular Queue and Ring Buffer is accurate?

  1. There is no practical difference in behavior, performance, or API design when Circular Queue and Ring Buffer is involved.
  2. The oldest option related to Circular Queue and Ring Buffer is always the right production choice regardless of context.
  3. Differences around Circular Queue and Ring Buffer are mostly cosmetic, so correctness and maintainability do not change.
  4. It avoids shifting elements like a plain array queue, but it requires careful empty and full state management.

Hint

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

Answer and rationale

Correct answer: D. It avoids shifting elements like a plain array queue, but it requires careful empty and full state management.

It avoids shifting elements like a plain array queue, but it requires careful empty and full state management. This is the comparison that usually separates memorization from understanding.

Track: Java