Java for Mac OS X 10.6 has just been updated to Update 5, and a visit to Software Update will bring the latest and greatest version of Java to your Mac. If you're still using Leopard, Java for Mac OS X 10.5 is now at Update 10.
According to the release notes, "Java for Mac OS X 10.6 Update 5 delivers improved reliability, security, and compatibility for Java SE 6. Java for Mac OS X 10.6 Update 5 supersedes all previous versions of Java for Mac OS X 10.6." The Snow Leopard release is only for Mac OS X 10.6.6 and late
