OOCP1_7

//HiTech Banda //bit.ly/hitechbanda #include <iostream.h> #include <conio.h> class class1 { int no; friend void swap(); }; class class2 { int no; friend void swap(); }; //Function Declaration void swap(); void main() { clrscr(); swap(); getch(); } void swap() { class1 obj1; obj1.no=10; class2 obj2; obj2.no=20; cout<<"\nBefore swapping :\nNumber 1 : "<<obj1.no; cout<<"\nNumber 2 : "<<obj2.no<<endl; int temp=obj1.no; obj1.no=obj2.no; obj2.no=temp; cout<<"\nAfter swapping :\nNumber 1 : "<<obj1.no; cout<<"\nNumber 2 : "<<obj2.no; }

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