Get App

Java: In Java, which comparison about LinkedHashMap and Iteration Order is accurate?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

In Java, which comparison about LinkedHashMap and Iteration Order is accurate?

  1. There is no practical difference in behavior, performance, or API design when LinkedHashMap and Iteration Order is involved.
  2. The oldest option related to LinkedHashMap and Iteration Order is always the right production choice regardless of context.
  3. Differences around LinkedHashMap and Iteration Order are mostly cosmetic, so correctness and maintainability do not change.
  4. HashMap focuses on lookup without order guarantees, while LinkedHashMap preserves insertion or access order.

Hint

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

Answer and rationale

Correct answer: D. HashMap focuses on lookup without order guarantees, while LinkedHashMap preserves insertion or access order.

HashMap focuses on lookup without order guarantees, while LinkedHashMap preserves insertion or access order. This is the comparison that usually separates memorization from understanding.

Track: Java