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Payment Processing System Class Diagram

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An enterprise-grade UML class diagram for a payment processing system featuring an abstract PaymentProcessor base class with three concrete implementations (credit cards, PayPal, cryptocurrency), coordinated by PaymentGateway service orchestrator, with supporting security validation and logging utilities, transaction and result domain objects, demonstrating advanced OOP design patterns created with Claude Code and Miro's MCP server.

Hannah Knight

Product Manager @ Miro

PM obsessed with turning chaos into elegant diagrams.


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