download jdk 11 ubuntu code example
Example: 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
sudo add-apt-repository ppa:linuxuprising/java
sudo apt-get update
sudo apt-get install oracle-java14-installer oracle-java14-set-default