Part-Whole Associations
Let’s learn about part-whole associations.
We'll cover the following...
A part-whole association is an association that represents a relationship between a part type and a whole type. Its instances are part-whole relationships between two objects, where one of them is a part of the other.
Aggregation
An aggregation is a special form of a part-whole association, where the parts of a whole can be shared with other wholes. For instance, we can ...