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

libautocomplete-java is installed in your system.

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

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

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

libautocomplete-java package basic information: