creating a forum with a cms Drupal, Joomla, Wordpress etc, and using that forum in a spring mvc web application

hi i'm working with sppring mvc doing web application this application is almost complete but i want to add a forum to that web application, i heard that doing a forum with a cms is rather easy so my question is it possible to do that forum with a cms like (Drupal, Joomla, Wordpress, etc) and when i finish doing the forum with one or any other cms, add that forum to my spring mvc web application, i never have done this before so i dont know if it's possible to do it, and if it's possible how this will afect my spring mvc project i'm working with spring tools suite