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

How to Install OpenJDK 11 on Gnu/Linux Distros

GNU/Linux Install OpenJDK 11 – QuickStart Guide

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

And the Linux OpenJDK 11 Installation is a free and Open Source implementation of the Java Platform Standard Edition.

Furthermore, 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 Install OpenJDK 11 on GNU/Linux Distros - Featured

Suggestion: in case to Find it Easily Search with Cmd/Win+f or Ctrl+f and your Distro Name!

Linux OpenJDK 11 Installation Guides