Java 8 Trick: Find Duplicates Across Multiple Lists Using Stream API!
📝 Description:
Want to find duplicate elements across multiple lists in Java 8? 🔍 This video shows you how to use the Stream API, flatMap, groupingBy, and filter to quickly detect duplicates like a pro!
Perfect for interviews, real-time coding, and Java 8 project optimizations.
🚀 Learn the Java 8 functional approach with clean, concise code examples.
📌 Topics Covered:
Merge multiple lists using flatMap
Count elements using Collectors.groupingBy
Extract only duplicate elements
Stream-based efficient coding in Java
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