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Class Diagram

Class Diagram

With examples from the GoProcure Project

Understanding Association, Aggregation, and Composition in Domain Modelling

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0 likes7 views5 min

Understanding Association, Aggregation, and Composition in Domain Modelling When modeling your domain, not all relationships between classes are equal. In Object-Oriented Design (OOD) and Domain-Driven Design (DDD), three core relationship types define how objects relate to each other: Association, Aggregation, and Composition. These relationships go beyond mere “connections” — they express ownership, lifecycle, and dependency...

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