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

How to Install Oracle JDK 13 on Ubuntu 18.04 Bionic LTS Gnu/Linux

October 31, 2019 | By the+gnu+linux+evangelist.

Getting Started

  1. 6. Java Development Getting-Started Guide

    Getting-Started with Java Development on GNU/Linux

    Java Dev QuickStart Guide