Java Interview Questions · interview question
When should a Java developer choose TreeMap and NavigableMap deliberately?
Multiple choiceMediumjava-interview-2026interviewjavause
Answer and explanation
Correct answer
D. Use TreeMap when the feature needs sorted iteration, nearest-key lookup, or range queries rather than just direct access.
Why
Use TreeMap when the feature needs sorted iteration, nearest-key lookup, or range queries rather than just direct access. Interviewers often ask this to see whether you can connect the concept to real design decisions.
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