command to build in maven code example

Example 1: what is pom.xml

- pom.xml file allows us to add, remove, manage dependencies 
and versions from one single location.
    - POM stands for project object model
    - .xml -> stands for: extensible markup language

Example 2: execute maven project in cmd

#execute the project
mvn exec:java -Dexec.mainClass=com.mycompany.App