Vertical Order Traversal of Binary Tree | LeetCode 987 | DSA In Java Full Course #69

🔥 In this video, we solve LeetCode 987 – Vertical Order Traversal of a Binary Tree using Java with a clear, step-by-step explanation! We cover: ✅ Problem understanding & intuition ✅ Coordinate-based node mapping (column, row, value) ✅ BFS + TreeMap / PriorityQueue approach ✅ Sorting logic explained visually ✅ Dry Run ✅ Clean Java code walkthrough This is an important Hard-level problem frequently asked in interviews at Google, Amazon, Microsoft, and Facebook/Meta! Problem Link :- https://leetcode.com/problems/vertica... 📚 DSA in Java Full Course Playlist:    • DSA in Java Full Course (Hindi) | Java DSA...   📂 Code Repository: https://github.com/sumanmalakar/DSA_I... 📝 Notes: https://drive.google.com/drive/u/0/fo... 🎯 Other Popular Playlists: Full Stack Web Development:    • Full Stack Web Development Course (Hindi) ...   Java Complete Playlist:    • Java Mastery Course   Latest React 19 Playlist:    • 🚀 React JS Full Course in Hindi (2026) | C...   📢 Support the Channel: If our tutorials inspired you, consider donating to support free quality content: https://drive.google.com/file/d/10GBJ... TIMESTAMPS 00:00:00 | Intro 00:00:10 | Vertical Order Traversal in Binary Tree 00:00:41 | Approach 00:17:25 | Code 00:27:05 | Dry Run Join Our WhatsApp Channel :- https://whatsapp.com/channel/0029VabO... Mastery Courses :-    • Full Stack Web Development + Java/C++ Cour...   Crash Course :-    • Crash Course   React Animated Portfolio Website :-    • Build React Animated Portfolio 2025 In Hin...   React Shopping Cart Project :-    • 🛒 React Shopping Cart E-Commerce Website i...   React.js Project playlist :-    • React.js Projects (Beginner → Advanced) | ...   All React Hooks In One Shot :-    • All React Hooks In One Video With Notes In...   Node.js playlist :-    • Node JS & Express Backend Development Full...   MERN E - Commerce :-    • MERN Stack E-Commerce Website with Razorpa...   ►My Girlfriend :- https://amzn.to/3EvmSkD Reach Me Out ----------------------------------------------------------------------------------------------------------------------- Linkedin :-   / suman-malakar   Instagram :-   / suman_malakar001   facebook :-   / sumankumar.malakar.9   GitHub :- https://github.com/sumanmalakar ----------------------------------------------------------------------------------------------------------------------- Product I use for coding and YouTube ----------------------------------------------------------------------------------------------------------------------- Laptop :- https://amzn.to/4oloWRG SSD :- https://amzn.to/47NUp7c HardDisk :- https://amzn.to/3KGSaZ9 keyboard :- https://amzn.to/3YGXIJ3 Mouse :- https://amzn.to/45uSylF Headphone :- https://amzn.to/3KGSaZ9 Web Cam :- https://amzn.to/3QK978T Microphone : - https://amzn.to/3KGSaZ9 Business Email: [email protected] Personal Channel:    / @sumanmalakar18   #LeetCode987 #VerticalOrderTraversal #BinaryTree #DSAinJava #JavaDSA #LeetCodeJava #DataStructures #TreeTraversal #LeetCodeSolutions #CompetitiveProgramming #CodingInterview #GoogleInterview #JavaProgramming #DSAFullCourse #LeetCodeHard