Question

Describe the mechanism of accessing data members and member functions in the following cases: (i) inside the main program

Answer 1

the mechanism of accessing data members and member functions in the following cases is done by 1.Using object and dot membership operator.

2.accessing a local variable of a function.
Example for how to access data members and member functions inside a member function of another class.
#include<iostream.h>
 class a

{
     public:
            int x;
      void display()
       {
           cout<<"sample \n";
            x=111;
       }
};
 class b
{
     public:
      void display()
      {
          a s; cout<<" Member function \n"; s.
display();
          cout<<" x = "<<example<<"\n";
       }
};
 void main()
{
          b  b1; // b1 is a object of class b.
          b1.display();
}