UML- Associations

Associations between Objects

Example 2

cardinality

the association between two instances like Branch and Customer.

Example cardinality associations:

• Each branch can have 0 to multiple customers (*).
• Each Bank can have multiple Branches
• Each Account can be associated with multiple customers

rolenames

labels for the cardinality constraints or as attributes of the type furthest away from where they are written. For example, holder can be thought of as an attribute of Account, constrained to hold between 1 and 2 values of type Customer.

Associations Inherieted -single and multiple inheritance