Learn Low-Level Design Systematically

Master object-oriented programming, design patterns, uml diagrams and practice low level design interview questions.

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Status	Concept	Notes	Star
	Don't Repeat Yourself (DRY)
	Keep It Simple Stupid (KISS)
	You Aren't Gonna Need It (YAGNI)
	Law of Demeter (LoD)
	Single Responsibility Principle (SRP)
	Open/Closed Principle (OCP)
	Liskov Substitution Principle (LSP)
	Interface Segregation Principle (ISP)
	Dependency Inversion Principle (DIP)
	SOLID Principles - Summary

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Status	Tip	Notes	Star
	How to Answer a LLD Interview Question

Progress: 0 / 7

Status	Problem	Notes	Star
	Design Parking Lot
	Design Stack Overflow
	Design Vending Machine
	Design Logging Framework
	Design Coffee Vending Machine
	Design Task Management System
	Design Traffic Signal Control System

Progress: 0 / 15

Status	Problem	Notes	Star
	Design ATM
	Design LinkedIn
	Design LRU Cache
	Design Tic Tac Toe
	Design Pub Sub System
	Design an Elevator System
	Design Car Rental System
	Design Online Auction System
	Design Hotel Management System
	Design a Digital Wallet Service
	Design Airline Management System
	Design Library Management System
	Design Restaurant Management System
	Design Concert Ticket Booking System
	Design Social Network Service like Facebook

Progress: 0 / 11

Status	Problem	Notes	Star
	Design CricInfo
	Design Splitwise
	Design Chess Game
	Design Snake and Ladder game
	Design Course Registration System
	Design Movie Ticket Booking System
	Design Online Stock Brokerage System
	Design Ride-Sharing Service like Uber
	Design Music Streaming Service like Spotify
	Design Online Shopping Service like Amazon
	Design Online Food Delivery Service like Swiggy