Data Structures & Algorithms in Java

🚀 A collection of classic coding interview problems solved in Java.
Includes detailed explanations, time/space complexity, and multiple approaches where applicable.

📁 Problem Categories

• Linked Lists
• Arrays
• Strings
• Recursion
• Trees
• Matrices
• System Design (in progress)

✅ Sample Problems

Problem	Category	Technique	Status
Remove Duplicates	Linked List	HashSet	✅ Done
Merge Two Sorted Lists	Linked List	Two Pointers	✅ Done
Add Two Numbers	Linked List	Simultaneous traversal	🔜
Group Anagrams	Arrays/Hash	Sorting + Map	✅ Done

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🧠 Goal

This repository is part of my ongoing preparation for technical interviews, with emphasis on solid understanding and clean Java code.