LANGUAGE C++

Q7: Continue with Integer class: a) Copy the previous program to a new file. b) Overload the postfix -- operators, so return a Word object with remove last character of value. c) Overload the pretfix -- operators, so return a Word object with remove first character of value. d) Overload the subscript i operator, terminate program if index is bigger or equal than size. Return i-th character based on the given index. Class template (complete following function): class Word{ -B... *** friend Word operator- //postix friend Word operator -- //preffix char& operatori } Use following main() to test your class. 7 int main(){ Word a("abc"),b; cout