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What deeper point about Generics and Wildcards should a senior Java developer mention?

Multiple choiceHardjava-interview-2026interviewjavaadvanced

At senior level, any approach to Generics and Wildcards is equally correct if it compiles and passes a small test.At senior level, the JVM removes the tradeoffs around Generics and Wildcards, so design choices barely matter.At senior level, the right answer is that Generics and Wildcards exists mostly for historical syntax reasons.The PECS rule matters because variance decisions decide whether a generic API is flexible, safe, and readable.

Answer and explanation

Correct answer

D. The PECS rule matters because variance decisions decide whether a generic API is flexible, safe, and readable.

Why

The PECS rule matters because variance decisions decide whether a generic API is flexible, safe, and readable. This is the kind of tradeoff-aware answer senior interviews usually expect.

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What deeper point about Generics and Wildcards should a senior Java developer mention?

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