Design an Elevator System | Systems Design Interview question | #FAANG

Design an Elevator system is a common system design question asked during interviews at Google, Amazon, Facebook etc. The main skill what the interviewer wants to test are you OOP skills and design patter. Many a time you would also be asked algorithmic questions as a part of this Low level design. I have tried to bring all things together, hope this helps someone out here. 00:33 functional/system requirements 06:31 use case diagram 08:21 class diagram 18:15 Elevator operation algorithm (dispatcher algorithm) 27:29 Elevator dispatcher algorithm animation