$ sudo apt-get update
$ sudo apt-get install libtxw2-java 

libtxw2-java is installed in your system.

Make ensure the libtxw2-java package were installed using the commands given below,

$ sudo dpkg-query -l | grep libtxw2-java *

You will get with libtxw2-java package name, version, architecture and description in a table

libtxw2-java package basic information: