Hello, I suggest to start with https://josm.openstreetmap.de/wiki Scroll down to find"Found a bug?" with hints where to report errors or get the source.
Gerd ________________________________________ Von: Saksham Tomar <sakshamtoma...@gmail.com> Gesendet: Freitag, 23. August 2019 11:55 An: josm-dev@openstreetmap.org Betreff: Hello everyone, I'm new here. I have tried and made some edits in JOSM. I know Java,can anyone help me regarding JOSM dev.