Eclipse.org Eclipse.org cardinality
XML Attribute 

cardinality attribute

 Attributes Elements XML Reference

A cardinality of 0 denotes a simple primitive property, a positive cardinality denotes a primitive array property, and a negative cardinality denotes a List property. The default cardinality assumed is 0.

Attribute type: integer

Copyright (c) 2010 IBM. See license in Legal section. XML Reference 1.2.0