Design a Simple Elevator System - Multiple Lifts

Medium

+250 XP

PRO

State PatternStrategy PatternObserver Pattern

Design a simple elevator system that manages 2-4 elevators in a building. The system should efficiently distribute requests across elevators, balance load to minimize wait times, optimize elevator direction based on requests, and handle concurrent requests from different floors. Focus on basic coordination without complex algorithms.

What You'll Build

The system must manage 2-4 elevators within a building, with each elevator capable of accessing all floors.
Users should be able to request an elevator by pressing up or down buttons on any floor (external requests).
Users inside an elevator should be able to select their destination floor (internal requests).
The system should efficiently distribute requests across elevators to minimize wait times and balance load.
Elevators should optimize their direction (up/down) based on pending requests and current position.
...and more

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Step-by-Step Guidance

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Design Patterns

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Complete Solutions

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