Program Of Conversion Between Objects To Basic Type

#include<iostream.h>

#include<conio.h>

class add

{

private:

int a,b;

public:

add(int x)

{

a=x;

}

operator int()

{

return a;

}

void show()

{

cout<<"a is="<<a;

}

};

main()

{

clrscr();

------- Object to BAsic ------ 

int r;

add a1(4);

a1.show();

r=a1;

cout<<"\n Value of r="<<r;

getch();

}