Lld
Low-Level Design
Medium
Online Shopping Cart
Design a shopping cart system for an e-commerce platform. The system should manage products, users, and their shopping carts. It should allow users to add/remove items, apply discounts, and calculate total prices with taxes. Implement a mechanism to handle different types of products (e.g., digital vs. physical) and their specific behaviors.
Key concepts
interfacesinheritancedesign patterns
Practise this out loud — free
Start a mock interview on THIS exact question — a voice AI interviewer opens with it, pushes back like a real onsite, then hands you an instant scorecard.
🎙 Practise this question now