(JAVA)MapleStory Game Input Charset

I need someone to upgrade a code for me. The problem is, i have a Game in Java but this game doesn't read UTF-8 Characters when typed on chat and i need characters like ê,ç,é,è,ã etc. I need some Java Expert to solve this problem... The link for the source code is at the end of the post. [login to view URL] << My Code [login to view URL] << Other examples of charsets.