Java for Mac OS X 10.5 Update 10
Java for Mac OS X 10.5 Update 10 delivers improved compatibility, security, and reliability by updating J2SE 5.0 to 1.5.0_30, and updating Java SE 6 to 1.6.0_26 for 64-bit capable Intel-based Macs.
J2SE 1.4.2 is no longer being updated to fix bugs or security issues and remains disabled by default in this update.
Please quit any web browsers and Java applications before installing this update.
See http://support.apple.com/kb/HT4592 for more details about this update.
See http://support.apple.com/kb/HT1222 for information about the security content of this update.
See this article on how to verify the authenticity of this update.