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

libhsqldb-java is installed in your system.

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

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

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

libhsqldb-java package basic information: