$ sudo apt-get remove libhac-java 

Uninstall libhac-java including dependent package

If you would like to remove libhac-java and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libhac-java 

Use Purging libhac-java

If you use with purge options to libhac-java package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libhac-java 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove libhac-java 

See Also,