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get(alias) - JPA Tuple's method

Object get(
  String alias

Get the value of the tuple element to which the specified alias has been assigned.
alias - alias assigned to tuple element
value of the tuple element
IllegalArgumentException - if alias does not correspond to an element in the query result tuple
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.