Java Interview Questions · interview question
When should a Java developer choose TreeSet and NavigableSet deliberately?
Multiple choiceMediumjava-interview-2026interviewjavause
Answer and explanation
Correct answer
C. Use TreeSet when an interview problem needs sorted uniqueness, predecessor or successor queries, or ordered window management.
Why
Use TreeSet when an interview problem needs sorted uniqueness, predecessor or successor queries, or ordered window management. Interviewers often ask this to see whether you can connect the concept to real design decisions.
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