Step-by-step – Oracle JDK 11 Installation in Ubuntu 20.04 Guide

Installing Package

3. 3. Installing Oracle JDK 11

   Then to Setup Oracle JDK on Ubuntu 20.04
   First, Access the Target, usually in the Downloads folder:
   (But if downloaded with Firefox it can be instead into /tmp/mozilla*)

   cd && cd Downloads

   Now to Confirm the Package is there do:

   ls .

   Finally, to Install JDK 11 simply:

   sudo dpkg -i jdk-11*.deb