$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Oracle JDK 11 on Gnu/Linux Distros

Oracle JDK Linux Installation Guide

Hi! The Tutorial shows you Step-by-Step How to Download and Install Oracle JDK in GNU/Linux Distributions.

And Java SE 11 for Linux is the first Long Term Support feature release for the Java SE Platform.

The Ubuntu Oracle JDK 11 includes the JRE and “Tools for Developing, Debugging, and Monitoring Java Applications”.

Finally, the guide includes instructions on How to Switch the Java Version on Linux.

Linux Oracle JDK Installation Guides