Java Interview Questions · interview question

What deeper point about Inheritance vs Composition should a senior Java developer mention?

Multiple choiceHardjava-interview-2026interviewjavaadvanced

Inheritance increases fragile-base-class risk because parent changes can quietly alter subclass behavior in production.At senior level, the JVM removes the tradeoffs around Inheritance vs Composition, so design choices barely matter.At senior level, any approach to Inheritance vs Composition is equally correct if it compiles and passes a small test.At senior level, the right answer is that Inheritance vs Composition exists mostly for historical syntax reasons.

Answer and explanation

Correct answer

A. Inheritance increases fragile-base-class risk because parent changes can quietly alter subclass behavior in production.

Why

Inheritance increases fragile-base-class risk because parent changes can quietly alter subclass behavior in production. This is the kind of tradeoff-aware answer senior interviews usually expect.

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What deeper point about Inheritance vs Composition should a senior Java developer mention?

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