#LeetCode442
🚀 LeetCode 442 - Find All Duplicates in an Array solved using both Java 7 and Java 8 in the most optimized way!
In this video, we walk you through an intuitive approach using HashSet, Array tricks, and clean Java code. Perfect for interviews and DSA practice.
✅ Covers:
Brute-force vs optimized solution
Java 7 and Java 8 differences
Time and space complexity
Clean code explanation
Edge case handling
📌 This problem is frequently asked in top tech interviews, including FAANG!
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