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Modeling and UML · designlab

Dashboard Learn Handbook Labs Practice library Learning paths Review Insights Studios Mock interviews Notebook

Part 1 · Module 3

Modeling and UML

Translate requirements into classes, relationships and diagrams that reveal wrong assumptions before a line of code is written.

0 of 4 lessons27 min

3.1From requirements to classesUp next7m
3.2Class relationships and UML7m
3.3Sequence diagrams6m
3.4State diagrams7m
LabModeling the Ride-Sharing DispatcherFinish “Refactoring the Monolithic Invoice Service” first35m

Practice what this module teaches

Parking Lot LLDModel spots, tickets, and pricing with clear responsibilities and safe allocation.Foundation35 min Ticket Booking LLDReserve seats with expiring holds and reconcile payment without overselling.Advanced50 min Library Management LLDModel titles, physical copies, loans and reservations without double lending.Intermediate

40 min

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