Question
Which statement about Breadth-First Search is the strongest interview answer?
- Breadth-first search explores nodes level by level using a queue.
- Breadth-First Search is mostly a naming style choice and has little effect on runtime or design.
- Breadth-First Search exists mainly to reduce the number of Java files in a project.
- Breadth-First Search matters only for frontend frameworks, not for core Java applications.
Hint
Start with the core rule behind Breadth-First Search.
Answer and rationale
Correct answer: A. Breadth-first search explores nodes level by level using a queue.
Breadth-first search explores nodes level by level using a queue. This is the base concept interviewers commonly test first.
Track: Java