This chapter discusses a common build system tool called Maven. In the previous chapters, with provided Maven projects, you needed only to look at some external dependencies, run some simple commands, or run the tests from inside the IDE. This chapter gives you a brief introduction to the Maven build system, which will be very useful if you need a systematic way to start your tests.
Maven addresses two aspects of building software. First, it describes how software is built; then, it describes the needed dependencies. Unlike earlier tools, such as Apache Ant, it uses conventions for the build procedure, and only exceptions need to be written down. It relies on an XML file to describe its full configuration--most important are the meta-information about the software project being built, the needed dependencies on other external components, and the required plugins.