Apache Maven QuickStart on MacOS
The Linked Tutorials Shows You Step-by-Step How-to Install Maven on Mac OS X BSD/Unix Desktops Releases.
To Install Maven on Mac OS X a JDK 6+ Installation is Required on System. So You will Find Link to Installing Oracle Java JDK 7/8 on Mac OS X.
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.
But in Addition to providing Build capabilities, Maven can also Run Reports, Generate a Web Site, and Managig Communication among members of a Working Team.