🏹Programming fundamentals for ✅ System Design || #day2 || 🏆 SYSTEM DESIGN WORLD💡

1. Programming Fundamentals

What you need:

✅ Fluency in at least one language — Python, Java, Go, C++ , JS ..
✅ OOP (Encapsulation, Abstraction, Polymorphism)

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# DSA
✅ Core Data Structures (HashMap, Queue, Heap, Graph)
✅ Key Algorithms (Hashing, BFS/DFS, Sliding Window)
✅ Big O reasoning (O(1), O(log n), O(n))
# SOLID Principles
✅ S (Single Responsibility Principle)
✅ O (Open/Closed Principle):
✅ L (Liskov Substitution Principle):
✅ I (Interface Segregation Principle):
✅ D (Dependency Inversion Principle):
# Design Patterns
✅ Error handling patterns (Retry, Circuit Breaker, Timeout)

🔥Summary — Minimum Bar for System Design 🔥
✅ OOP (Encapsulation, Abstraction, Polymorphism)
✅ Core Data Structures (HashMap, Queue, Heap, Graph)
✅ Key Algorithms (Hashing, BFS/DFS, Sliding Window)
✅ Concurrency basics (Threads, Locks, Async)
✅ Error handling patterns (Retry, Circuit Breaker, Timeout)
✅ Big O reasoning (O(1), O(log n), O(n))

#systemdesign #raghuk #learnfromraghu #codewithraghu

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