Class Diagram
9/6/2026
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
Activity Diagram
9/6/2026
Activity diagram showing a restaurant order flow from browsing the menu and placing an order through POS entry, food preparation and drink service, billing, payment confirmation, receipt printing, and checkout.
activity diagramrestaurant workfloworder processpos systembillingpayment flow