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Java: Which statement about ArrayDeque as a Queue is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about ArrayDeque as a Queue is the strongest interview answer?

  1. ArrayDeque as a Queue is mostly a naming style choice and has little effect on runtime or design.
  2. ArrayDeque is an efficient general-purpose deque that can model a queue by adding at one end and removing from the other.
  3. ArrayDeque as a Queue exists mainly to reduce the number of Java files in a project.
  4. ArrayDeque as a Queue matters only for frontend frameworks, not for core Java applications.

Hint

Start with the core rule behind ArrayDeque as a Queue.

Answer and rationale

Correct answer: B. ArrayDeque is an efficient general-purpose deque that can model a queue by adding at one end and removing from the other.

ArrayDeque is an efficient general-purpose deque that can model a queue by adding at one end and removing from the other. This is the base concept interviewers commonly test first.

Track: Java