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

How to Install Apache Maven on Gnu/Linux Distros

GNU/Linux Installing Apache Maven Guides

How to Install latest Apache Maven 3.x on most GNU/Linux Distributions – Step by step Tutorials.

Maven calls its build scripts Project Object Model (POM) files. These POM files are in XML, and each Maven project or module will have an accompanying pom.xml file.

A Project Management Tool such as Maven provides a Superset of features found in a Build Tool.

How to Install Apache Maven on GNU/Linux Distros

GNU/Linux Apache Maven Installation Guides