Flipkart LLD Round: Stack Overflow Clone - Low Level Design | Part 1
7🔥 This Stack Overflow clone design question was asked in Flipkart's machine coding round! In this comprehensive tutorial, I'll show you how to approach ANY Low Level Design problem using my proven 10-step blueprint.
🎯 What You'll Learn in Part 1:
✅ Complete problem breakdown and requirements analysis
✅ 10-step blueprint to solve ANY LLD problem
✅ Core entities identification (User, Topic, Question, Answer)
✅ Relationships mapping (Composition, Inheritance, Association)
✅ Service layer design with proper separation of concerns
✅ Design patterns planning (Strategy, Factory, Observer)
✅ Data storage strategy without databases
✅ Edge cases and validation handling
💡 Key Features We'll Design:
User signup and profile management
Topic subscription system
Question posting with multiple topics
Answer system with acceptance mechanism
Upvoting for questions and answers
Feed filtering (by topic, answered/unanswered)
User authentication (login/logout)
🏗️ Design Patterns Covered:
Strategy Pattern (for feed filtering)
Factory Pattern (for post creation)
Observer Pattern (for notifications)
Decorator Pattern (for advanced filtering)
📚 Prerequisites (Already Covered in Series):
✅ SOLID Principles
✅ Creational Patterns (Factory, Singleton)
✅ Structural Patterns (Adapter, Decorator)
✅ Behavioral Patterns (Observer, Strategy)
🔔 Part 2 Coming Soon: Complete code implementation with working demo!
💼 Perfect for:
Software Engineering interviews (especially product companies)
System Design interview preparation
Anyone learning Low Level Design
CS students preparing for placements
📌 This is part of our comprehensive LLD series - perfect for cracking system design rounds in top tech companies!
🔥 If this blueprint helps you crack your next LLD interview, smash that like button and subscribe for Part 2!
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