Install Java 8
As you probably may know, the version of java that deliver best results by now (26/09/2013) is version 1.8, which is in beta stage.
I've followed the steps in here to have it installed:
To make java available as command to all users, just edit the
#rlunaro PATH=$PATH:/usr/local/java/bin export PATH JAVA_HOME="/usr/local/java" export JAVA_HOME