characters set's problem

[jsona laio]

hi mavens,
i used to utilize sun java's vm to develop my porject.
however, lately i want to participate a porject, in
which involves developing encoding like CCCII (CJK
based characters set for asian characters, which
defines more characters than unicode supports in the
parts of CJK). however, as i know, java vm is based
upon unicode. so i hope to know weather there's
possible to switch encoding setting when using
classpath (or how to avoid such problem), for i'm
afraid that code value may miss when data exchanging
'twixt two character set; e.g., between CCCII and
unicode. or any else better way can avoid such
questions?
i appreciate any suggestions, sincerely.


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