The Java ecosystem has historically been blessed with great IDEs to work with, including NetBeans, Eclipse and IntelliJ from JetBrains. However, in recent years Microsoft's Visual Studio Code editor ...
The web editor is too limiting.
We have clients that use sFTP that was "upgraded" from regular FTP. The old FTP has a CHGFTPA command where you can set the CCSID of created files. That CCSID is usually 819 but can be other values.