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Class Diagram Updated 8/23/2026

Class Diagram Relationships

Class diagram showing relationships among Vehicle, Car, and Truck, with an interface for Drivable. It also connects Engine, Garage, Driver, and MaintenanceService to illustrate ownership, usage, and service associations.

class diagramumlinheritanceinterfaceassociationsobject-oriented design
8 nodes 8 connections

How can I use this class diagram?

Download the Class Diagram Relationships as a PNG or SVG, or open it in the studio to edit your own copy. To draw a similar class diagram from a description, use the class diagram generator; for notation and a step-by-step walkthrough, read how to make a class diagram; and browse more class diagram examples for related layouts.

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Class Diagram 8/23/2026

Domain Class Diagram

Class diagram for an online bookstore domain showing customers, accounts, shopping carts, orders, books, authors, publishers, payments, and reviews, with cart and order line items linking products to purchases.

class diagramdomain modelonline bookstoree-commerceordersbooks

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