If you are running a 64-bit distribution on your development machine, you need to install additional packages first. For Ubuntu 13.10 (Saucy Salamander) and above, install the libncurses5:i386, libstdc++6:i386, andzlib1g:i386 packages using apt-get:

sudo dpkg --add-architecture i386sudo apt-get updatesudo apt-get install libncurses5:i386 libstdc++6:i386 zlib1g:i386

For earlier versions of Ubuntu, install the ia32-libs package using apt-get:

apt-get install ia32-libs

Next, install Java:

apt-get install sun-java6-jdk