Java Interview Questions · interview question
In Java, which comparison about Primitive Types and Wrappers is accurate?
Multiple choiceEasyjava-interview-2026interviewjavacomparison
Answer and explanation
Correct answer
D. Use primitives for simple values and performance-sensitive paths, and use wrappers when nullability or object semantics are required.
Why
Use primitives for simple values and performance-sensitive paths, and use wrappers when nullability or object semantics are required. 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?