J2SE 1.4.2 is no longer being updated to fix bugs or security issues and remains disabled by default in this update. This is a Combo update: Update 9 supersedes all previous updates of Java for Mac OS X v10.5. Update 9 MaJava for Mac OS X 10.5 Update 9 delivers improved compatibility, security, and reliability by updating J2SE 5.0 to 1.5.0_28, and updating Java SE 6 to 1.6.0_24 for 64-bit capable Intel-based Macs.
Update 5 (5 (September 3, 2009) - Java for Mac OS X 10.5 Update 5 delivers improved reliability, security, and compatibility for Java SE 6, J2SE 5.0 and J2SE 1.4.2 on Mac OS X 10.5.8 and later. Update 4 (June 15, 2009) - Java for Mac OS X 10.5 Update 4 delivers improved reliability, security, and compatibility for Java SE 6, J2SE 5.0 and J2SE 1.4.2 on Mac OS X 10.5.7 and later.