question: public static String HexToChar ( String hex ) { char value [ ] = new char [ hex . length ( ) / 2 ] ; int hexLength = value . length ; for ( int i = 0 ; i < hexLength ; i ++ ) value [ i ] = ( char ) Integer . parseInt ( hex . substring ( 2 * i , 2 * i + 2 ) , 16 ) ; return new String ( value ) ; }
target:  Converts the specified hexadecimal string into a character string.