🍔 Food Delivery Platform — Object-Oriented Low-Level Design (LLD)

Enterprise Low-Level Design (LLD) simulation for an on-demand food delivery architecture (Zomato/Swiggy) demonstrating SOLID principles, Strategy, State, and Factory design patterns.

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📌 Core Design Patterns & OOP Architecture

• Strategy Pattern: Dynamic delivery partner assignment (Nearest Partner, Batch Dispatch) and discount coupon calculators.
• State Pattern: Order lifecycle state transitions (CREATED ➔ ACCEPTED ➔ PREPARING ➔ DISPATCHED ➔ DELIVERED).
• Factory Pattern: Polymorphic payment processor handling Cards, UPI, Wallets, and Cash on Delivery.

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📄 License

MIT License © Sakshi Rautela