How To Install Java with Apt on Ubuntu 20.04 | DigitalOcean
https://www.digitalocean.com/community/tutorials/how-to-install-java-with-apt-on-ubuntu-20-04
WEBAug 31, 2021 · To install this version, first update the package index: sudo apt update. Next, check if Java is already installed: java -version. If Java is not currently installed, you’ll see the following output: Output. Command 'java' not found, but can be installed with: sudo apt install openjdk-11-jre-headless # version 11.0.11+9-0ubuntu2~20.04, or.
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