Class Diagrams: Classes and Objects

To model complex relationships with attributes and operations (correct)

To label the ends of associations with roles

To transform simple associations into classes

To denote relationships between classes

With a solid diamond

With a dashed line connected to the association symbol (correct)

With a class symbol connected by a solid line

With a class symbol connected by a dashed line

Aggregation is depicted by a solid line, composition by a solid diamond

Aggregation is a 'consists of' hierarchy, while composition implies components cannot exist without the aggregate (correct)

Aggregation denotes inheritance, composition does not

Aggregation is a special case of association, while composition is a form of inheritance

<p>Distinguish among multiple associations originating from a class</p> Signup and view all the answers

<p>Indicate the number of objects the source object can reference</p> Signup and view all the answers

<p>By transforming any association class</p> Signup and view all the answers