installing jdk 11 on ubuntu code example

Example 1: install openjdk 11 ubuntu

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

Example 2: apt install java 11

sudo apt-get update

sudo apt-get install oracle-java11-installer-local

Example 3: ubuntu install jdk 14

sudo add-apt-repository ppa:linuxuprising/java
sudo apt-get update
sudo apt-get install oracle-java14-installer oracle-java14-set-default