Use Case Diagram · Usecase

Online bookstore use case diagram (include + extend) — Use Case Diagram

An e-commerce checkout use case diagram showing «include» chains, an «extend» relationship with a condition and extension point, and the extension-point compartment inside the base ellipse. A primary customer, an external payment gateway, and a supporting warehouse actor.

Tipo Diagramma dei casi d'usoStandard OMG UML 2.5.1 §18Motore schematex-usecaseAggiornato 26/05/2026

System Requirements

Online bookstore use case diagram (include + extend)

Drawing preview

La richiesta

“Create a UML use case diagram for an online bookstore with customer browsing, cart, checkout, payment validation, order cancellation, and warehouse shipping.”

Prova alloraAdd customer account registration.Add a discount-code extension to checkout.

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