install java ubuntu
sudo apt install default-jdkinstall java ubuntu
sudo apt install default-jdkinstall jdk in ubuntu
sudo add-apt-repository ppa:openjdk-r/ppa # only Ubuntu 17.4 and earlier
sudo apt update
sudo apt install openjdk-8-jdkinstall jdk in ubuntu
$ Java -version $ sudo dpkg -i jdk-version.deb $ ls /user/lib/jvm $ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-16.0.1/bin/java 1 $ sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-16.0.1/bin/javac 1 $ java -version $ javac -versionCopyright © 2021 Codeinu
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