This week's book giveaway is in the Programmer Certification forum. We're giving away four copies of OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
ADF is a development framework provided by Oracle. It allows you to build web application by drag-drop (mostly). I don't think JForum has anything to do with ADF. I have linked this question to the "Other Application Frameworks" forum