PROGRAM TO SWAP PRIVATE DATA MEMBER OF TWO DIFFERENT CLASSES USING FRIEND FUNCTION

by - December 19, 2018

/*WRITE A PROGRAM TO SWAP PRIVATE DATA MEMBER OF TWO DIFFERENT CLASSES USING FRIEND FUNCTION*/

 #include<conio.h>
#include<iostream.h>
class two;
class one
{
intx;
public:
void set value(inti)
{
x=i;
}
void display()
{
cout<<"x="<<x;
};
friend void swap(one,two);
};
classtwo
{
inty;
public:
void set value(intj)
{
y=j;
}
void display()
{
cout<<"y="<<y;
};

friend void swap(one,two);
};
void swap(onea,twob)
{
int temp;
temp=a.x;
a.x=b.y;
b.y=temp;
cout<<"x="<<a.x<<"y="<<b.y;
}
voidmain()
{
one on;
two tw;
cout<<"\nBefore swapping";
on.setvalue(10);
tw.setvalue(20);
on.display();
tw.display();
cout<<"\nAfter swapping";
swap(on,tw);
getch();
}

----------------------------------------------------------
OUTPUT:-

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1 comments

  1. Nishant BhagatApril 19, 2022 at 1:59 AM

    #include
    using namespace std;
    class Child;
    class Parent
    {
    int num1;
    public:
    Parent(int n)
    {
    num1=n;
    }
    void show()
    {
    cout<<"Value of Number 1 : "<<num1;
    }
    friend void swap(Parent &, Child &);
    };

    class Child
    {
    int num2;
    public:
    Child(int n)
    {
    num2=n;
    }
    void show()
    {
    cout<<"Value of Number 2 : "<<num2;
    }
    friend void swap(Parent &, Child &);
    };
    void swap(Parent &x, Child &y)
    {
    int temp = x.num1;
    x.num1 = y.num2;
    y.num2 = temp;
    }
    int main()
    {
    Parent p1(100);
    Child c1(200);
    cout<<"Before Swapping: "<<endl;
    p1.show();
    cout<<endl;
    c1.show();
    swap(p1,c1);
    cout<<endl;
    cout<<"After Swapping: "<<endl;
    p1.show();
    cout<<endl;
    c1.show();
    return 0;
    }

    ReplyDelete