Install scala-mode-el by entering the following commands in the terminal:
sudo apt update sudo apt install scala-mode-el
Description:
Emacs major mode for editing scala source code
scala-mode provides syntax highlighting and indentation for scala source code inside emacs. Included is the ability to interact with a scala interpreter inside emacs and to send expressions from scala source files to the running interpreter.
Homepage: http://www.scala-lang.org
Version: 20111005-2.1
Section: universe/editors