A collection represents a group of model
elements. The collection type determines whether duplicate model elements
in the collection can exist or whether the model elements are ordered.
For each
UML collection type in the source project, you can specify the Java™ collection
type that the transformation generates. The UML collection type is determined
by the isOrdered and isUnique property of the model elements.
To
specify the Java collection types that the transformation generates:
The options are applied the next time that
you run the transformation.
Note: If you create
a new transformation configuration, you can specify this information on the
Advanced page
of the New Transformation Configuration wizard.