Change java version on ubuntu
List:
sudo update-alternatives --list java
sudo update-alternatives --list javac
Add to available:
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_45/bin/java 1
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0_45/bin/javac 1
Change version:
sudo update-alternatives --config java
sudo update-alternatives --config javac
From https: //stackoverflow.com/questions/21115133/ubuntu-change-the-path-from-openjdk-6-to-oracle-jdk-7