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Java: Which statement about Depth-First Search is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Depth-First Search is the strongest interview answer?

  1. Depth-First Search is mostly a naming style choice and has little effect on runtime or design.
  2. Depth-first search follows one branch as far as possible before backtracking.
  3. Depth-First Search exists mainly to reduce the number of Java files in a project.
  4. Depth-First Search matters only for frontend frameworks, not for core Java applications.

Hint

Start with the core rule behind Depth-First Search.

Answer and rationale

Correct answer: B. Depth-first search follows one branch as far as possible before backtracking.

Depth-first search follows one branch as far as possible before backtracking. This is the base concept interviewers commonly test first.

Track: Java