Maven POM- Project Object Model

** Maven is powerfull project management tool that is based on POM ( Project Object Model ).
** It is used for project build, dependency and documentation.

POM - Project Object Model.

- It is fundamental unit of work in maven.
- It is an XML file that resides in the base directory of the project as pom.xml.
- The pom.xml file contains information of project and configuration information for the maven to build the project such as dependencies, build directory, 
  source directory, test source directory, plugin, goals etc.
- Maven reads the pom.xml file, then executes the goal


** Configuration in POM

1. Project Dependency.
2. Pugins.
3. Goals.
4. Build profiles.
5. Project Versions.
6. Developers.
7. Mailing list



POM Elements
1. Project.
2. groupId.
3. artifactId.
4. Version

Ex. pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0"   
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0   
http://maven.apache.org/xsd/maven-4.0.0.xsd">  
  
  <modelVersion>4.0.0</modelVersion>  
  <groupId>com.javatpoint.application1</groupId>  
  <artifactId>my-app</artifactId>  
  <version>1</version>  
  
</project>