There are no 64-bit versions of the Java Plugin, Java Web Start or Java Control Panel; however the 32-bit versions of the JRE can be installed on 64-bit systems in order to obtain this functionality.

"While 64-bit Java software is not yet offered on HP-UX or Sun Solaris, we will be offering a free download of our AIX developer kit, Java 2 Technology Edition, Version 1.3.0 for AIX 5L, in early ...

Oracle said it was working on a version of Java Standard Edition for the 64-bit ARM architecture, though it didn’t give a time frame.