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🎯 LLD
📚 Introduction
Class Diagram
Class Variable vs Insatance Variable
Concurrency
Interface vs Abstract Class
OOP Principles
Python Built-in Exceptions
StaticMethod vs AbstractMethod vs ClassMethod
Synchronization Primitives
🏗️ Design Pattern
Behavioral
Command
Iterator
Observer
Strategy
Circuit Breaker
Circuit Breaker
Creational
AbstractFactory
Builder
Factory
Singleton
Structural
Adapter
Composite
Decorator
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💼 Examples
Airline Management System
Airline Management System
Amazon Locker System
Amazon Locker System
Amazon Online Shopping System
Amazon Online Shopping System
ATM
ATM
Cache
Cache
Car Rental System
Car Rental System
Chess Game
Chess Game
Circinfo (Ride Sharing)
Circinfo (Ride Sharing)
Design Hit Counter
Design Hit Counter
Elevator System
Detailed Code
Button
Direction
Dispatcher
Display
Door
ElevatorCar
ElevatorPanel
ElevatorRequest
ElevatorSystem
FILES_CHECKLIST
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QUICK_REFERENCE
Elevator System
Facebook
Facebook
File System
File System
Hotel Management System
Hotel Management System
Jigsaw Puzzle
Jigsaw Puzzle
Leaderboard
Leaderboard
Library Management System
Library Management System
LinkedIn
LinkedIn
Logging
Logging
Meeting Scheduler
Meeting Scheduler
Movie Ticket Booking System
Movie Ticket Booking System
Online Blackjack Game
Online Blackjack Game
Online Stock Brokerage System
Online Stock Brokerage System
Parking Lot
Detailed Code
Account
DisplayBoard
Entrance
Enumeration
main
ParkingLot
ParkingSpot
ParkingTicket
Payment
Vehicle
Parking Lot
Pub-Sub
Pub-Sub
Restaurant Management System
Restaurant Management System
Stack Overflow
Stack Overflow
Text Editor with Undo & Redo
Text Editor with Undo & Redo
Train Platform Management System
Train Platform Management System
Vending Machine
Vending Machine
🏢 Company Tagged
Amazon
Uber
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File System
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File System