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In Java, which comparison about Generics and Wildcards is accurate?

Multiple choiceEasyjava-interview-2026interviewjavacomparison

The oldest option related to Generics and Wildcards is always the right production choice regardless of context.There is no practical difference in behavior, performance, or API design when Generics and Wildcards is involved.Differences around Generics and Wildcards are mostly cosmetic, so correctness and maintainability do not change.? extends is for producing values safely, while? super is for consuming values into a structure.

Answer and explanation

Correct answer

D. ? extends is for producing values safely, while? super is for consuming values into a structure.

Why

? extends is for producing values safely, while? super is for consuming values into a structure. This is the comparison that usually separates memorization from understanding.

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In Java, which comparison about Generics and Wildcards is accurate?

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