This package is the backport of java.util.concurrent API, introduced in Java 5.0 and further refined in Java 6.0, to older Java platforms. The backport is based on public-domain sources from the JSR 166 CVS repository, the dl.util.concurrent package, and
JMS provides an elegant solution for overcoming the restrictions you face when developing concurrent applications with EJB. Learn how its asynchronous model and its support for the MessageDrivenBean can enable a client to use EJB asynchronously.