Create To swap two objects of a same class.cpp

Cpp/To swap two objects of a same class.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+using namespace std;
+class y;
+class x{
+    int num;
+    public: 
+    x(){
+        cout<<"Enter a number: ";
+        cin>>num;
+    }
+    friend void swap(x &,y &);
+};
+class y{
+    int data;
+    public:
+    y(){
+        cout<<"Enter a number: ";
+        cin>>data;
+    }
+    friend void swap(x &,y &);
+};
+void swap(x &o1,y &o2){
+    int temp;
+    temp=o1.num;
+    o1.num=o2.data;
+    o2.data=temp;
+    cout<<"Objects after swapping are "<<o1.num<<" and "<<o2.data;
+}
+
+int main(){
+    x x1;
+    y y1;
+    swap(x1,y1);
+}