hey guys, i need help with this question. i need to write a program to get the output which is : i) there will be two class which is info_student and mark_student. class mark_student will be friend to a class info_student. ii) class info student will have name and ic with data type character as a variable. it also have function set_data that accept two variable above as a pointer in the parameter list. iii) while mark_student will have mark1, mark2 and total with data type float. the function is setmark, calculateMark and display. i already programmed and compiled the code, but i have the output show "floating point invalid" when i input the data. what have i done wrong here? Code: #include<iostream.h> class info_mark; class info_student { private: char name,ic; public: int student() {return name,ic;} }; class info_mark { float mark1,mark2; public: int calculate_mark() {return mark1 +mark2;} }; void main() { char a,b; float m,n; cout<<"Name:"; cin>>a; cout<<"Ic:"; cin>>b; cout<<"mark 1:"; cin>>m; cout<<"mark 2:"; cin>>n; cout<<"total:"<<m+n; }
Isn't the point of the assignment that main uses the classes? It doesn't. What line does the error occur on? What data did you input? char is a single character, not a character string. You can only store individual characters such as 'a' and 'Z' in these variables. You cannot store a name like "fikri" - that would require a character array of at least 6 chars. Maybe the problem is that you entered multiple characters for the name.
try Code: #include [COLOR=Red]<iostream>[/COLOR] [COLOR=Red]#include <string>[/COLOR] ....... [COLOR=Red]int[/COLOR] main() { [COLOR=Red]string[/COLOR] a,b; ........