isCollection() - JPA Attribute's method

Is the attribute collection-valued (represents a Collection, Set, List, or Map).

Returns:: boolean indicating whether the attribute is collection-valued

Since:: JPA 2.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.

Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.

ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.