C++ Program to Explain the Concept of Data Conversion

C++ Program to Explain the Concept of Data Conversion:

#include<iostream.h>
#include<conio.h>
class invent2;
class invent1
{
int code;
int items;
float price;
public:
invent1(int a,int b,float c)
{
code=a;
items=b;
price=c;
}
void putdata()
{
cout<<"Code="<<code<<"\n";
cout<<"Item="<<items<<"\n";
cout<<"Value="<<price<<"\n";
}
int getcode()
{
return code;
}
int getitems()
{
return items;
}
float getprice()
{
return price;
}
operator float()
{
return(items*price);
}
};
class invent2
{
int code;
float value;
 public:
invent2()
{
code=0;
value=0;
}
invent2(int x,float y)
{
code=x;
value=y;
}
void putdata()
{
cout<<"Code="<<code<<"\n";
cout<<"value="<<value<<"\n";
}
invent2(invent1 p)
{
code=p.getcode();
value=p.getitems()*p.getprice();
}
};
int main()
{
clrscr();
invent1 s1(100,5,140.0);
invent2 d1;
float total_value;
total_value=s1;
d1=s1;
cout<<"Product Details-invent1 type" <<"\n";
s1.putdata();
cout<<"\nStock Value\n";
cout<<"Value="<<total_value<<"\n\n";
cout<<"Product Details-invent2 Type"<<"\n\n";
d1.putdata();
getch();
return 0;
}