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

How to Install Java OpenJDK on JDK on Gnu/Linux Distros

GNU/Linux Installing Java OpenJDK JDK Guide

Hi! The linked Tutorials Show you Step-by-Step How to Install Oracle-Sun OpenJDK Java Development Kit on GNU/Linux Distributions.

And the OpenJDK (Open Java Development Kit) is a Free and Open Source implementation of the Java Platform, Standard Edition (Java SE).

Finally, the Official Oracle Java JDK Release is based on the OpenJDK source code. In Addition, it contains Closed-Source Components.

How to Download and Install Oracle JDK on Linux Distros

Java OpenJDK JDK Installation on GNU/Linux Distributions- Featured

Java OpenJDK JDK Installation on GNU/Linux