These are some of the most commonly asked Low Level Design interview questions for software engineering interviews and machine coding rounds. The problems below cover object-oriented design, class relationships, design patterns, scalability concepts, and real-world system modeling.
Each question links to a detailed solution with Java code, UML class diagrams, method explanations, and complete solution walkthroughs.
- Designing a Parking Lot - Low Level Design
- Design an Elevator / Lift System
- Design a Movie Ticket Booking System
- Design a Real-time Chat Application
- Design a Food Delivery System (Zomato/Swiggy)
- Design a Ride-Sharing System (Uber/Ola)
- Design a Rate Limiter System
- Design a Splitwise System
- Design an ATM System
- Design a Chess Game
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