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In Java, which comparison about CopyOnWriteArrayList is accurate?

Multiple choiceEasyjava-interview-2026interviewjavacomparison

There is no practical difference in behavior, performance, or API design when CopyOnWriteArrayList is involved.The oldest option related to CopyOnWriteArrayList is always the right production choice regardless of context.Differences around CopyOnWriteArrayList are mostly cosmetic, so correctness and maintainability do not change.It is excellent for read-heavy workloads, while write-heavy workloads pay a large copying cost.

Answer and explanation

Correct answer

D. It is excellent for read-heavy workloads, while write-heavy workloads pay a large copying cost.

Why

It is excellent for read-heavy workloads, while write-heavy workloads pay a large copying cost. This is the comparison that usually separates memorization from understanding.

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In Java, which comparison about CopyOnWriteArrayList is accurate?

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