exception handling

#include<iostream>
#include<string>
using namespace std;

class Exception
{
    public:
    Exception(int _x,int _y):x(_x),y(_y) { }
    double divide();
    string getMsg();

    private:
    int x;
    int y;

};

double Exception::divide()
{
 if(y==0)
 {
 throw *this; // we return the adress
 }
 return ((double)x/y);
}
string Exception::getMsg()
{
    return "can not divide by zero"; // error message
}

int main()
{
    Exception p(5,0);
    Exception k(3,2);
    double result;

    try
    {
    result=p.divide();

    }
    catch (Exception &err) // we get the address here
    {
        cout<<err.getMsg()<<endl; //error output
    }

     try
    {
    result=k.divide();

    }
    catch (Exception &err) // we get the address here
    {
        cout<<err.getMsg()<<endl; //error output
    }

    cout<<"result: "<<result<<endl;

    return 0;
}