How to upgrade to Java JDK 1.7 on Ubuntu Unix Server 12?

Well, I have just installed Ubuntu Server 12, and, I am trying to get Java JDK 1.7 to run within the unix box, so I took the easy way and it would seem like there is some variant named 'ice tea' which is based on 1.6. When finding (searching) within the file system a file named java exists within /usr/bin, and, this is the bundled version of java, which is not the latest. Is Ubuntu Server still unsupported by Oracle?
Next I typed in sudo apt-get install jdk and sudo apt-get install java, however, no package is found. Does this mean that I have to install JDK by downloading it through the browser, or can Oracle make this available to apt-get users?
Unfortunately, Oracle Virtual Box does not seem to have a way to copy and paste the contents of the screen, and it would be impractical to upload a whole snapshot when I just need to demonstrate a subset of what I typed in to my friends here at the forum.
Edited by: Jon80 on Jul 13, 2012 10:36 AM

Oracle doesn't need to support anything, other than delivering a Linux build of OpenJDK. How the plethora of different Linux flavors manage the software installation is basically up to the people that manage the distribution.
And less than 10 seconds glancing at the front page of icedtea indicates that the more recent versions are based on OpenJDK 7. Installation instructions are also there. A quick google for "icedtea ubuntu server" provided me this:
http://www.stchman.com/essen_pack.html

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