Just Another Language
This is a language for programming PIC chips. All the PMP kits that use PIC chips are programmed using this language. It is an excellent way of getting into programming these devices to assist conltrol of items on your layout.
This is a software programming system popular with web site developers and web based application developers. The end user must have a Java runtime package loaded on their computer and integrated to their web browser to utilize Java applications. Java runtime packages can be obtained from Oracle.com as Java Standard Edition JDK, or as open source from openjdk.java.net as OpenJDK.
The Java Model Railroad Interface (JMRI) project is building control and automation tools for model railroad computer control. JMRI is intended as a web interface for hobbyists who want to control their layouts with a computer without having to create an entire software system from scratch. JMRI has interfaces to many popular model railroad system, including train control from the MERG group.
JMRI User Group on Groups.io