Improved reliability and compatibility for Java 2 Platform Standard Edition 5.0 and Java 1.4 on Mac OS X 10.4.11 and above with this software update.
In terms of specific upgrades, Java SE 6 has been updated to version 1.6.0_07, J2SE 5.0 is now at version 1.5.0_16, and J2SE 1.4.2 has been updated to 1.4.2_18. It's important to note that this release is only for Mac OS X 10.5.4 and later - you shouldn't try to install it on earlier versions of Mac OS X.
Another benefit of Java for Mac OS X 10.5 Update 2 is that it now supports all Intel and PowerPC-based Macs running these later versions of the OS. That means you should be able to use Java effectively no matter what type of Mac you have.
If you're still using Mac OS X 10.4, you can still upgrade to Java for Mac OS X 10.4, Release 7. This version delivers improved reliability and compatibility for Java 2 Platform Standard Edition 5.0 and Java 1.4, specifically for Mac OS X 10.4.11 and later.
Whether you're using Java on Mac OS X 10.4 or 10.5, it's always a good idea to make sure you have the latest version of Java installed on your computer. That way, you can ensure that you're getting the best possible performance and security features for your Java-based apps.
Version for Mac OS X 10.5 Update 5 / for Mac OS X 10.4 Release 9: N/A