Setup IDE IntelliJ
The JDownloader team is mostly using Eclipse however one of our users has created a guide on how to setup JDownloader in IntelliJ which you can find here:
https://docs.google.com/document/d/1gJll61KIgNEQkNDJ5xHdUgwZlQ2R2NbvBW1bqQkdRD0/edit
Credits go to forum user BillyCool.