// This program writes a prompt to the screen,
// asking the user to type Q to quit.  When the
// user finally types Q and ENTER, the program
// prints another message and then quits.
class PromptForQChar
{
    public static void main( String[] args )
    {
        char inputChar;

        do
        {
            System.out.print("Enter Q to quit: ");
            inputChar = Stdin.getChar();
        } while( inputChar != 'Q' );

        System.out.println("We're done now, thanks for typing Q.");
    }
}