Editora 0.18.3. Archived, so links from that release keep working. Read the 0.18.5 page →
Install: Java Language Support
install.javaSupport Download and install the Java language server (jdtls) and the Java debugger (java-debug) into Editora's config folder.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Install: Java Language Support, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.