Interview Practice

Interview Guides

Low-Level Design Practice

Work through parking lots, elevators, vending machines, schedulers, expense splitting, ticket booking, chess, libraries, rate limiters, pub/sub, ATMs and room booking with invariants, failure cases, and tests.

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Notes

  1. 1Model behavior before drawing classes
  2. 2Design a parking lot
  3. 3Design an elevator controller
  4. 4Design a vending machine
  5. 5Design a task scheduler
  6. 6Design an expense-splitting app
  7. 7Design a movie ticket booking system
  8. 8Design a chess game
  9. 9Design a library management system
  10. 10Design a rate limiter class
  11. 11Design a publish-subscribe message broker
  12. 12Design an ATM
  13. 13Design a meeting room scheduler