If yours shows the SE Runtime as build 1.8.0_20-b26 then you are good to go. Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode) Java(TM) SE Runtime Environment (build 1.8.0_20-b26) It should respond with information pretty similar to this: java version '1.8.0_20'

To verify that Oracle Java 8 can be found and is the right version issue this command: java -version I did verify on my system that this repository is up to date and using the version of Oracle Java 8 referenced in your question. Information will scroll past on the screen but when finished java should be installed. This will download Oracle Java 8 and install it. Now issue this command: sudo apt-get install oracle-java8-installer When completed it will return to the shell prompt. You will be prompted 'Do you want to continue?'. Now issue these 2 commands: sudo apt-get update After it runs it will display information and then prompt you to hit Enter. If it asks for a password enter your user account password. When running that command it may (or may not prompt) you for your password. This will add a repository where developers place updated version of Oracle Java 8 in a format easily installed by Ubuntu package managers. Open a Linux terminal (command prompt) and issue these commands: sudo add-apt-repository ppa:webupd8team/java First delete the file you downloaded as it isn't needed and proceed with these instructions: If you want the easy route to installing and updating Oracle Java 8(including the JRE, JDK and plugins for browsers) on Ubuntu 12.04 (or later) then I recommend doing it this way.

Ubuntu install jdk 8