Maven Essentials

Convention over configuration

Convention over configuration is one of the main design philosophies behind Apache Maven. Let's go through a few examples.

A complete Maven project can be created using the following configuration file (pom.xml):

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.packt</groupId>
  <artifactId>sample-one</artifactId>
  <version>1.0.0</version>
</project>

Note

The Maven POM file starts with the <project> element. Always define the <project> element with the schema. Some tools can't validate the file without it:

<project xmlns=http://maven.apache.org/POM/4.0.0
         xmlns:xsi=………
         xsi:schemaLocation="…">

The pom.xml file is the heart of any Maven project and is discussed in detail in Chapter 2, Understanding the Project Object ...