sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java8-installer

andrei@andrei-desktop:~$ java -version java version "1.8.0-ea" Java(TM) SE Runtime Environment (build 1.8.0-ea-b54) Java HotSpot(TM) Server VM (build 24.0-b21, mixed mode)

andrei@andrei-desktop:~$ javac -version javac 1.8.0-ea

sudo update-java-alternatives -s java-7-oracle

sudo update-java-alternatives -s java-8-oracle

http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html