java-uninstallation-on-ubuntu.sh

sudo apt-get update
sudo apt-get -y purge scala-library scala sbt
sudo apt-get -y remove scala-library scala sbt
sudo apt-get -y purge openjdk-\* icedtea-\* icedtea6-\*
apt-cache search java | awk '{print($1)}' | grep -E -e '^(ia32-)?(sun|oracle)-java' -e '^openjdk-' -e '^icedtea' -e '^(default|gcj)-j(re|dk)' -e '^gcj-(.*)-j(re|dk)' -e 'java-common' | xargs sudo apt-get -y remove
sudo apt-get -y autoremove
dpkg -l | grep ^rc | awk '{print($2)}' | xargs sudo apt-get -y purge
sudo rm -rf /usr/lib/jvm