$ sudo apt-get update
$ sudo apt-get install libpracticalxml-java 

libpracticalxml-java is installed in your system.

Make ensure the libpracticalxml-java package were installed using the commands given below,

$ sudo dpkg-query -l | grep libpracticalxml-java *

You will get with libpracticalxml-java package name, version, architecture and description in a table

libpracticalxml-java package basic information: