Thanks to WebUpd8, you can install the most up-to-date JDK and JRE directly from Oracle, as opposed to using OpenJDK which is the default in the Ubuntu repositories. As far as I know, this should work for any *buntu OSes, including Linux Mint and elementaryOS. They should also get updates automatically via the Update Manager while they are within the support window for the OS version you’re using.
I know this isn’t exactly news, and WebUpd8 posted this information over two years ago now, but I was shocked to find out about it myself just recently, and figured I’d just go ahead and post it on my blog for anyone else who happens across it without knowing as well.
Here are the steps, all together, for adding the PPA and installing Java 8 (currently update 40). I also included an additional step to remove all remnants of the OpenJDK package. I’m uncertain if the presence of OpenJDK would cause any problems, but I figured its not needed and so worth it to clear up an easy ~50-100MB of space anyway.
sudo apt-get purge openjdk* sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java8-installer sudo apt-get install oracle-java8-set-default
The PPA is hosted at this location on Launchpad. As you will see if you visit the page, WebUpd8 doesn’t actually maintain any Java binary packages for on the PPA. Instead, it simply hosts the installers that pull the packages from Oracle’s own servers. An alternative might be to manually download and install the software from Oracle, but you would have to manually update it every time Oracle pushes out a new version. With this PPA, you will get updates for it automatically through the Update Manager for as long as your OS is within its support window.
If you prefer to use version 7 instead, you can issue the following commands to install the JDK and JRE packages installer for version and alternate the versions used.
sudo apt-get install oracle-java7-installer sudo update-java-alternatives -s java-7-oracle
Then just use the following command to return to version 8, if you decide to.
sudo update-java-alternatives -s java-8-oracle