$ sudo apt-get update
$ sudo apt-get install libjxgrabkey-jni 

libjxgrabkey-jni is installed in your system.

Make ensure the libjxgrabkey-jni package were installed using the commands given below,

$ sudo dpkg-query -l | grep libjxgrabkey-jni *

You will get with libjxgrabkey-jni package name, version, architecture and description in a table

libjxgrabkey-jni package basic information: