Java CharacterSet 찾기

public static void charSet(String str_kr) throws UnsupportedEncodingException{
    String charset[] = {"euc-kr", "ksc5601", "iso-8859-1", "8859_1", "ascii", "UTF-8"};

        for(int i=0; i<charset.length ; i++){
            for(int j=0 ; j<charset.length ; j++){
                if(i==j) continue;

System.out.println(charset[i]+" : "+charset[j]+" :"+new String(str_kr.getBytes(charset[i]),charset[j]));

}

}

}