FREIND

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/* Write a Program to implement friend function */
#include<iostream.h>
#include<conio.h>
class test
 {
   int a,b,ans;
   public :

    test(int p,int q)
     {
       a = p;
       b = q;
     }
    void show()
     {
       cout<<" "<<a<<" + "<<b<<" = "<<ans<<endl;
     }
      friend void sum(temp);
 };

class temp
 {
     int a,b;
   public:
     temp(int p,int q)
      {
        a = p;
        b = q;
      }
  };


 void sum(test &t1)
  {
    t1.ans = t1.a + t1.b;
  }
 void main()
  {
    int n1,n2;
    clrscr();
    cout<<"Enter two integer Values : ";
    cin>>n1>>n2;
    test t1(n1,n2);
    sum(t1);
    t1.show();
    temp tt(50,50);
   // sum(tt);
   // tt.show();
    getch();
  }