The J2SE Runtime Environment (JRE) allows end-users to run Java applications.
J2SE 5.0 Update 1 Now Available The first update release of J2SE 5.0 includes select fixes of known defects as well as a couple of key enhancements; support for GNOME 2.6 on both Solaris 10 and the Sun Java Desktop System and the addition of Intel's Extended Memory 64 Technology (EM64T) as a supported architecture.
http://java.sun.com/j2se/
Release Notes
Download
Official Java Site
Bookmarks