A free Java Development Environment designed for beginners, used by millions
BlueJ is a free IDE for writing Java programs designed for beginners.
It graphically shows the class structure of an applications, suitable for educational purposes.
For further visualization, the source code is highlighted.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: