sudo apt-get install openjdk-8-jdk
sudo apt install default-jdk
$ sudo apt install openjdk-8-jdk
sudo apt install default-jre
OutputCommand 'java' not found, but can be installed with: apt install default-jre apt install openjdk-11-jre-headless apt install openjdk-8-jre-headless
sudo apt-get update sudo apt-get install oracle-java11-installer-local