Association Class (1/2)

• Necessary in case of m:n-associations with attributes:

• It enhances flexibility in case of 1:1 and 1:n-associations:

User

Appointment

*

1..*

isRelocatable

Company

name

address

*

Person

name

socSec#

address

loan

position

Employment

loan

position

1

association

class

{

Participation

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