I\'ve just started messing around with JLine to parse character input in console mode. It seems to work well, but I\'m wondering:
Is there a nonblocking way in JLine
You can't use a console to get non-blocking input without native libraries.
You'll have to write a Swing app and write a KeyListener
Read this tutorial: http://java.sun.com/docs/books/tutorial/uiswing/events/keylistener.html