Im realy new at this but i will try and aner your question.
I gave it a try testerday and i think i got it to work.
Sun6 java and sun 7 oricle have diferent name on raspberry.
try this
#apt-cache search java7
it would give you a list of pakage u can install and the name of them.
There are some bugs u can run in to https://bugs.launchpad.net/ubu…rce/openjdk-6/+bug/898689
I hope this is a litle help
//Ex
