Monthly Archives: February 2013

Aggregation & Composition in OOPs

Aggregation and composition in real project define HAS-A relationship. Aggregation differs from ordinary composition in that it does not imply ownership.  In composition, when the owning object is destroyed, so are the contained objects.  In aggregation, this is not necessarily true.  For example, a university owns various departments (e.g., Physics, chemistry), and each department has a […]