Java Interview Questions · interview question

Which practice avoids a common mistake with Primitive Types and Wrappers?

Multiple choiceMediumjava-interview-2026interviewjavapitfall

Silence the Primitive Types and Wrappers problem by using raw types, broad catches, or shared mutable state.Ignore the Primitive Types and Wrappers issue and rely on team discipline instead of APIs or contracts.Avoid comparing wrapper objects with == when you actually mean value equality.Prefer the version of Primitive Types and Wrappers that makes behavior less predictable as long as the code compiles.

Answer and explanation

Correct answer

C. Avoid comparing wrapper objects with == when you actually mean value equality.

Why

Avoid comparing wrapper objects with == when you actually mean value equality. This is a common failure mode in real Java code and a frequent interview follow-up.

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Which practice avoids a common mistake with Primitive Types and Wrappers?

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