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Java Interview Questions · interview question

What deeper point about Trie and Prefix Tree should a senior Java developer mention?

Multiple choiceHardjava-interview-2026interviewjavaadvanced
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Answer and explanation

Correct answer

D. The real interview insight is that tries trade memory for prefix-aware traversal and can be implemented with arrays or maps per node depending on the alphabet.

Why

The real interview insight is that tries trade memory for prefix-aware traversal and can be implemented with arrays or maps per node depending on the alphabet. This is the kind of tradeoff-aware answer senior interviews usually expect.

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