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
Flowchart
8/29/2026
Level 1 data flow diagram of a payroll system showing how employee timesheets move through validation, gross pay and deduction calculations, payment issuance, and tax reporting. It includes interactions with HR, the bank, tax authority, and payroll data stores.
data flow diagrampayroll systemtimesheetstax reportinghr processpayment processing