install openjdk 8 ubuntu code example

Example 1: install openjdk 8 sdk on ubuntu

sudo apt-get install openjdk-8-jdk

Example 2: install openjdk 11 ubuntu

sudo apt-get update && sudo apt-get upgrade
sudo apt-get install default-jdk

Example 3: ubuntu install openjdk 8 source

sudo apt-get install openjdk-8-source