program:
#include < iostream>
using namespace std;
class Myclass
{
public:
int func(int n)
{
return n*n;
}
};
int main()
{
int n,square;
Myclass obj;
cout<<"Enter number to find sqauren";
cin>>n;
square=obj.func(n);
cout<<"sqaure is: "<< sqaure;
return 0;
}
Enter number to find square
3
square is: 9