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

How to Install OpenJDK 11 on Xubuntu Gnu/Linux Distro

GNU/Linux Xubuntu Installing OpenJDK 11 Guide

Hi! The Tutorial shows you Step-by-Step How to Install OpenJDK in Xubuntu GNU/Linux Desktops.

And the Xubuntu OpenJDK 11 Installation is a Free and Open Source Implementation of the Java Platform Standard Edition.

Moreover, Oracle Java JDK/JRE Installation is based on the OpenJDK source code. In Addition, it contains Closed-Source Components.

Finally, OpenJDK 11 is the second Java Long Term Support Release.

How to Download and Install Oracle JDK 11 on Xubuntu Easy Guide - Featured

GNU/Linux Xubuntu OpenJDK 11 Installation Guide