PROGRAM TO FIND THE AREA OF A RECTANGLE USING FUNCTION DEFINITION OUTSIDE CLASS

#include<iostream.h>
#include<conio.h>
class rectangle
{
   int length,breadth,area;
   public:
   void readvalues();
   void recarea();
};
void rectangle::readvalues()   //function definition outside class

{
   cout<<"Enter length and breadth\n";
   cin>>length>>breadth;
}
void rectangle::recarea()  //function definition outside class
{
   area=length*breadth;
   cout<<"Area is : "<<area;
}
void main()
{
   clrscr();
   rectangle r1; // object creation
   r1.readvalues(); //function call using dot operator
   r1.recarea(); //recarea() function call
   getch();
}