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Class Diagram Updated 7/25/2026

Library Management System

Class diagram for a library management system showing how the library, catalog, books and copies relate to members, librarians, loans, holds, fines, and payments, with status enums and notification services.

class diagramlibrary systemumlloans and holdsfines and paymentsnotifications
16 nodes 12 connections

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Download the Library Management System 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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Airline Reservation System Class Diagram

Class diagram of an airline reservation system showing how passengers make bookings for flights, receive tickets, choose seats, and submit payments. It also connects flights to airports, aircraft, and the airline that operates them.

class diagramairline reservationbooking systemflight managementticketingpayments

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