"Getting Started with Java SE Embedded on the Raspberry Pi" (by Bill Courington and Gary Collins)

http://www.oracle.com/technetwork/articles/java/raspberrypi-1704896.html by Bill Courington and Gary Collins

It includes a lot of useful Linux tweaks, that you may want to apply apart from installing Java SE anyway.

Resize the SD Card Partitions:

About half the card’s space is unallocated. The biggest chunk of free space follows the /dev/sdb3 partition. To add this space to /dev/sdb2 (the file system), we temporarily delete /dev/sdb3, extend /dev/sdb2, then re-create /dev/sdb3.

I started making use of the "Java SE" label with this article. Should apply it elsewhere as well.

It has a section "Optional Linux Tuning and Tweaking":

• Set Up Static IP Address
• Enable Swapping and Optimize File System Access Time
• Set Time Zone and Locale
• Set Up a Time Server
• Set Up an Internet Proxy
• Remap the Keyboard
• Update Debian Packages
• Automatically Start the Graphical User Interface
• Add a Different Web Browser
• Enable Sound

Do I really want to swap on the SD card? They discourage it there.