public String[] getPinyinFromChar(char c) {
        String s = Integer.toHexString(c).toUpperCase();
        return tables.get(s);
    }
public String [ ] getPinyinFromChar ( char c ) { String s = Integer . toHexString ( c ) . toUpperCase ( ) ; return tables . get ( s ) ; }
得到指定的中文字符对应的拼音, 返回值带声调.

@return null - 不可识别的字符