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Java: Which statement about Circular Queue and Ring Buffer is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Circular Queue and Ring Buffer is the strongest interview answer?

  1. Circular Queue and Ring Buffer is mostly a naming style choice and has little effect on runtime or design.
  2. Circular Queue and Ring Buffer exists mainly to reduce the number of Java files in a project.
  3. A circular queue reuses fixed storage by wrapping head and tail positions back to the front when they reach the end.
  4. Circular Queue and Ring Buffer matters only for frontend frameworks, not for core Java applications.

Hint

Start with the core rule behind Circular Queue and Ring Buffer.

Answer and rationale

Correct answer: C. A circular queue reuses fixed storage by wrapping head and tail positions back to the front when they reach the end.

A circular queue reuses fixed storage by wrapping head and tail positions back to the front when they reach the end. This is the base concept interviewers commonly test first.

Track: Java