Get App

Java: What deeper point about ArrayList vs LinkedList should a senior Java developer mention?

Difficulty:

Hard

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

What deeper point about ArrayList vs LinkedList should a senior Java developer mention?

  1. At senior level, the right answer is that ArrayList vs LinkedList exists mostly for historical syntax reasons.
  2. Modern JVM performance often rewards contiguous memory access, so Big-O alone can mislead list selection.
  3. At senior level, the JVM removes the tradeoffs around ArrayList vs LinkedList, so design choices barely matter.
  4. At senior level, any approach to ArrayList vs LinkedList is equally correct if it compiles and passes a small test.

Hint

Look beyond syntax and explain the runtime, API, or design consequence.

Answer and rationale

Correct answer: B. Modern JVM performance often rewards contiguous memory access, so Big-O alone can mislead list selection.

Modern JVM performance often rewards contiguous memory access, so Big-O alone can mislead list selection. This is the kind of tradeoff-aware answer senior interviews usually expect.

Track: Java