Scala-ide has a built-in replica that is graphical (it does not correspond to the easy part of your question). Try pressing Ctrl-Shift-X
inside the Scala editor to launch the selected expression (or current line). This is how it looks like . I think this is the closest now.
Kojo is based on scala, but itβs not really what you ask for, but itβs cool and can be used for training.
Also in the Scala plugin for IntelliJ IDEA (Nika builds) Scala Language Console
Web
There are at least two consoles on the network
Simplex3dConsole (Java Web Start)
http://www.simplyscala.com/? (on the website)
For a SQL-based console written in Scala, look at SQLShell by adding something like this to repl or sbt or a graphical tool. Se also has a Scala integrated query that may interest you.
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