Install Java with Apt on Ubuntu 20.04

sudo apt update

java -version

Command 'java' not found, but can be installed with:

sudo apt install default-jre              # version 2:1.11-72, or

sudo apt install openjdk-11-jre-headless  # version 11.0.14+9-0ubuntu2~20.04

sudo apt install openjdk-16-jre-headless  # version 16.0.1+9-1~20.04

sudo apt install openjdk-17-jre-headless  # version 17.0.2+8-1~20.04

sudo apt install openjdk-8-jre-headless   # version 8u312-b07-0ubuntu1~20.04

sudo apt install openjdk-13-jre-headless  # version 13.0.7+5-0ubuntu1~20.04

sudo apt install default-jre

<...>

java -version

openjdk version "11.0.14" 2022-01-18

OpenJDK Runtime Environment (build 11.0.14+9-Ubuntu-0ubuntu2.20.04)

OpenJDK 64-Bit Server VM (build 11.0.14+9-Ubuntu-0ubuntu2.20.04, mixed mode, sharing)

sudo apt install default-jdk

<...>

javac -version

javac 11.0.14