Java for Mac OS X 10.5 Update 2

Apple just released an update for Java, supposed to improve reliability and compatibility for Java SE 6, J2SE 5.0 and J2SE 1.4.2 on Mac OS X 10.4.11 and later.
More information on the following links: Leopard (10.5.4 and later) et Tiger (10.4.11 and later)