JavaOOPsLLD

LLD Topics 🔥 🔥

---

Principles

• S.O.L.I.D Principles ✅

---

Design Patterns

Creational Patterns

• Factory Pattern ✅
• Abstract Factory Pattern ✅
• Singleton Pattern ✅
• Builder Pattern ✅
• Prototype Pattern ✅

Structural Patterns

• Decorator Pattern ✅
• Composite Pattern
• Adapter Pattern ✅
• Proxy Pattern ✅
• Bridge Pattern ✅
• Façade Pattern ✅
• Flyweight Pattern

Behavioral Patterns

• Strategy Pattern ✅
• Observer Pattern ✅
• Chain of Responsibility Pattern ✅
• State Pattern
• Command Pattern
• Interpreter Pattern ✅
• Iterator Pattern
• Mediator Pattern
• Memento Pattern ✅
• Template Method Pattern ✅
• Visitor Pattern
• Null Object Pattern ✅

---

System Design Topics

Simple Applications

• Design Notify-Me Button Functionality ✅
• Design Pizza Billing System ✅
• Design Logging System ✅
• Design Vending Machine ✅

Games

• Design Snake n Ladder Game
• Design Tic-Tac-Toe Game ✅
• Design Chess Game
• Design Bowling Alley Machine

Systems

• Design Parking Lot
• Design Elevator System
• Design Car Rental System
• Design ATM
• Design File System
• Design Traffic Light System
• Design Cache Mechanism
• Design Rate Limiter

Applications

• Design BookMyShow & Concurrency Handling
• Design Splitwise & Simplify Algorithm / Optimal Accounting Balancing
• Design CricBuzz / CricketInfo
• Design True Caller
• Design Car Booking Service like Ola, Uber
• Design Online Hotel Booking System
• Design Library Management System
• Design Meeting Scheduler
• Design Online Voting System
• Design Inventory Management System
• Design LinkedIn
• Design Amazon
• Design Airline Management System
• Design Stock Exchange System
• Design Learning Management System
• Design Calendar Application
• Design Payment System
• Design Chat-Based System
• Design Food Delivery App like Swiggy and Zomato
• Design Community Discussion Platform
• Design Restaurant Management System