This release updates J2SE 5.0 to version 1.5.0_19 and J2SE 1.4.2 to version 1.4.2_21.
This release is only for Mac OS X v10.4.11 and later versions of Mac OS X v10.4.
This release of J2SE 5.0 and J2SE 1.4.2 supports all Intel- and PowerPC-based Macs.
For information about the security content of this update, please visit this website: http://support.apple.com/kb/HT1222