N-Ary Association

d_Association

An n-Ary Association element is used to model complex relationships between three or more elements, typically in a Class diagram. It is not a commonly-employed device, but can be used to good effect where there is a dependant relationship between several elements. It is generally used with the Associate connector, but the relationships can include other types of connector.

n-ary

In the example above there is a relationship between a Company, an Employee and a Salary.

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c_association