public static Number plus(Number left,Character right){
  return NumberNumberPlus.plus(left,Integer.valueOf(right));
}

public static Number plus ( Number left , Character right ) { return NumberNumberPlus . plus ( left , Integer . valueOf ( right ) ) ; }
add a number and a character . the ordinal value of the character is used in the addition ( the ordinal value is the unicode value which for simple character sets is the ascii value ) .
