The request
“Create a UML class diagram for a shipping system with customers, shipments and items, warehouses, routes, and a Vehicle hierarchy for trucks, ships and planes.”
Then tryAdd a delivery date to Shipment.Add a refrigerated Truck subclass.
What is in this drawing
Read the decisions behind it.
01
Used inheritance hierarchy for Vehicle -> Truck, Ship, Plane to enable shared behavior and specific implementations.
02
Applied composition between Shipment and Item, aggregation between Warehouse and Shipment, and directed associations for customer orders and vehicle assignment.
Suitable as a reference design when developing fleet management software, shipment tracking, or warehouse management systems.
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