Java 8 Streams | Group Numbers by Digit Count using TreeMap | Part 3

In this video, we solve an interesting Java coding challenge using Java 8 Streams and TreeMap. 💡 Problem: Given a list of integers, group them based on the number of digits each number has. We’ll use Stream API, Collectors, and TreeMap to sort and group the numbers cleanly. Perfect for interviews or sharpening your functional programming skills! 📌 Topics Covered: Java 8 Stream API Grouping with Collectors.groupingBy TreeMap for sorted grouping Lambda expressions 📈 Ideal for: Java developers, coding interview aspirants, and backend programmers. 👉 Don’t forget to like, share, and subscribe for more Java content!