"Backing Up" Before Writing to the Console

I am writing a program that uses the console for both input and output. Input comes from a seperate thread and could come at any time, even while the users is typing something.
If this happens, then whatever is written to System.out gets tagged on to the end of what the user is typing, and the System.in input is moved to a new blank line where the user can continue typing.
For example, say the users is trying to type the line "this is a test" and duirng that, the program outputs "HELLO USER". It would look like this:
this iHELLO USER
s a test
Anyone who uses the console a lot will recognize what I'm talking about.
Is there any way to fix this problem? For example, is there a way to make the console display "HELLO USER" on its own line and just move the input line down?
I hope that question makes sense. I can explain it more if I need to. Thanks!
Message was edited by:
stephen.ware
Message was edited by:
stephen.ware

There is no way to do it in cross-platform fashion. Just ignore it or think of using native code (ncurses library for linux, for example).

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