Answers for "debian uninstall java"

uninstall java 11 linux

sudo update-alternatives --remove "java" "/usr/lib/jvm/jdk[version]/bin/java"

remove java linux

dpkg-query -W -f='${binary:Package}\n' | 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