Association (3/3)Role

• Classes play roles within associations

  • a single class can play more than one role

Person

Insurance

Contract

Insurance

Company

insurer

1

0..*

refers to

1..*

0..*

policyholder

husband

married to

Employee

superior

subordinate

0..*

0..1

0..1

0..1

wife

married to:incompletelyspecified!

Previous slide

Next slide

Back to first slide

View graphic version