Sept 3, 2007Version 3.1 released. Now includes versions for Java 6.0 Nov 11, 2006Version 3.0 released. Now includes versions for Java 1.2, 1.3, 1.4, and 5.0 (sic!) Jun 4, 2006Version 2.2 released. Overview 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 th