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Java: Which statement about Sliding Window on Arrays is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Sliding Window on Arrays is the strongest interview answer?

  1. A sliding window maintains a contiguous region and updates the answer incrementally as the window moves.
  2. Sliding Window on Arrays is mostly a naming style choice and has little effect on runtime or design.
  3. Sliding Window on Arrays exists mainly to reduce the number of Java files in a project.
  4. Sliding Window on Arrays matters only for frontend frameworks, not for core Java applications.

Hint

Start with the core rule behind Sliding Window on Arrays.

Answer and rationale

Correct answer: A. A sliding window maintains a contiguous region and updates the answer incrementally as the window moves.

A sliding window maintains a contiguous region and updates the answer incrementally as the window moves. This is the base concept interviewers commonly test first.

Track: Java