Printing character Interger using friend function in C++

This is a C++ program that demonstrates the use of friend classes to access private data members of a class, XYZ. The program defines a class XYZ with two private data members, a character (ch) and an integer (num), and a friend declaration for the class ABC.

The program also defines a class ABC with a public member function disp, which takes an object of class XYZ as its argument and prints the values of its private data members. In the main function, the program creates an object of class ABC and an object of class XYZ, and calls the disp function of the ABC object, passing the XYZ object as an argument. The disp function of ABC then accesses the private data members of the XYZ object using the friend declaration, and prints their values.

Source Code

#include<iostream>
using namespace std;
class XYZ
{
  private:
    char ch='A';
    int num = 11;
  public:
    friend class ABC;
};
class ABC
{
  public:
    void disp(XYZ obj)
    {
      cout<<obj.ch<<endl;
      cout<<obj.num<<endl;
    }
};
int main()
{
  ABC obj;
  XYZ obj2;
  obj.disp(obj2);
  return 0;
}

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Output

A
11

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