I wrote a program for calling Unicode from outside the program. I am using Windows XP and Eclipse. When I run that program in the IDE, it shows the Unicode, but when I exported
You did the code already (I didn't follow the links), but you may compare the code with How to import a font - registerFont is crucial.
Also in a jar file all paths are case-sensitive. You may inspect the jar with 7zip or WinZip.