The scenario
A local computer store sells computers and peripherals, tracks stock, and runs a repair service; this class diagram models the core sales, inventory, and repair workflows.
What is in this drawing
Read the decisions behind it.
01
Product as abstract base for Computer and Peripheral
02
Order composition with OrderLine for multi-item sales
03
RepairOrder linked to Product and Employee for service tracking
04
Inventory tracks product stock with Supplier for restocking
Use when designing or documenting a point-of-sale and inventory system for a small computer retailer with integrated repair services.
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