Java Interview Questions · interview question
In Java, which comparison about TreeMap and NavigableMap is accurate?
Multiple choiceEasyjava-interview-2026interviewjavacomparison
Answer and explanation
Correct answer
B. TreeMap is slower than HashMap for pure lookup on average, but it provides ordered operations that hash tables do not.
Why
TreeMap is slower than HashMap for pure lookup on average, but it provides ordered operations that hash tables do not. This is the comparison that usually separates memorization from understanding.
Test yourself on Java Interview Questions
A free test with instant, explained results. No account needed.
More Java Interview Questions questions
- When should a Java developer choose TreeSet and NavigableSet deliberately?
- In Java, which comparison about ExecutorService, Future, and CompletableFuture is accurate?
- Which practice avoids a common mistake with Java Memory Model, volatile, and synchronized?
- When should a Java developer choose ConcurrentSkipListMap deliberately?
- In Java, which comparison about ArrayList vs LinkedList is accurate?
- What deeper point about ArrayList vs LinkedList should a senior Java developer mention?