Write A C++ Program To Illustrate The Concept That The Member Function Defined Outside The Class.

#include<iostream.h> 
 #include<conio.h> 
 class student 
 { 
        private: 
                          int rn; 
                          float fees; 
       public: 
                          void readdata(); 
                          void writedata(); 
 }; 
             void student :: readdata() //definition outside the class 
         { 
                cout<<"Enter the rollno. and fees of the student"; 
                cin>>rn>>fees; 
         } 
            void student:: writedata() //definition outside the class 
        { 
            cout<<"The rollno. is "<<rn<<endl; 
            cout<<"The fees is "<<fees<<endl; 
        } 
          void main() 
       { 
           clrscr(); 
           student st ; 
           st.readdata(); 
           st.writedata(); 
           getch(); 
      }