Java Interview Questions · interview question
When should a Java developer choose Depth-First Search deliberately?
Multiple choiceMediumjava-interview-2026interviewjavause
Answer and explanation
Correct answer
A. Use DFS for connected components, topological reasoning, path existence, and tree or graph backtracking problems.
Why
Use DFS for connected components, topological reasoning, path existence, and tree or graph backtracking problems. Interviewers often ask this to see whether you can connect the concept to real design decisions.
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