what is the use of xml 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: what is xml

extensive markup language

Example 3: what is xml

Extensible Markup Language is a markup language that defines a set of rules 
for encoding documents in a format that is both human-readable
and machine-readable.