Java 1.4.2 Update 2 provides improved behavior for applets in Safari, and increased stability for desktop Java applications. Java 1.4.2 Update 2 also includes all the improvements from Java 1.4.2 Update 1.
The system will be updated to Java 1.4.2 Update 2. If the system currently has Java 1.4.1, it will be removed. Any previous Java 1.4.2 installation will be completely replaced.
For more details on this update, please visit http://www.apple.com/java/ . Follow the link and free download Java Update 1.4.2 Update 2