Java for Mac OS X 10.4, Release 7 delivers improved reliability and compatibility for Java 2 Platform Standard Edition 5.0 and Java 1.4 on Mac OS X 10.4.11 and later. This release updates J2SE 5.0 to version 1.5.0_16 and Java 1.4 to version 1.4.2_18.

For more details on this update, please visit this website: http://support.apple.com/kb/HT2261

This installer guides you through the steps necessary to update Java. To get started, click Continue.