How does jline work internally

[Adwaith H Sivam]

I decided to build a minimal REPL app using Java. I plan to implement history for this. So I need to know how to edit the input line of a the terminal and get arrow key presses. How does jline do this?

PS: I tried going through the source code. But I didn't understand anything.

Thank you.

[Guillaume Nodet]

I suggest to first look at the Repl demo from jline and see how you can build from it.

JLine offers builtin support for history and implementing a REPL app can be done easily:

  https://github.com/jline/jline3/blob/master/demo/src/main/java/org/jline/demo/Repl.java

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