💻 *Core Coding Interview Topics You Should Know* ✅ 1️⃣ *Data Structures* - Arrays, Strings - Linked Lists - Stacks & Queues - Trees (BST, Binary Tree) - Hash Maps & Hash Sets - Graphs (BFS/DFS) - Heaps & Priority Queues 2️⃣ *Algorithms* - Sorting (Quick, Merge, Bubble) - Searching (Binary Search) - Recursion & Backtracking - Dynamic Programming - Greedy Algorithms - Divide & Conquer - Sliding Window, Two Pointers 3️⃣ *Mathematics & Logic* - Prime numbers - Modular arithmetic - Bit manipulation 4️⃣ *Problem Solving Patterns* - Recursion vs. Iteration - Memoization - Frequency counting - Prefix sum & difference arrays 5️⃣ *OOP Concepts* - Class, Object, Inheritance - Polymorphism, Encapsulation - Abstraction 6️⃣ *Databases & SQL Basics* - Joins, Normalization - Basic CRUD queries 7️⃣ *Operating System Basics* - Process vs. Thread - Deadlock, Scheduling 8️⃣ *Networking Fundamentals* - HTTP/HTTPS - REST APIs - DNS, IP, TCP/UDP 9️⃣ *Version Control (Git)* - clone, commit, push, pull - branches & merge 🔟 *System Design (Basic)* - High-level architecture - Scalability, load balancing 💬 *Double Tap ❤️ if you want a deep dive into any of these topics!*