Question

Write a program in C++ using OOP technique to compute the circumference of a circle

Answer 1

#include 
class circle
{
 public : float r, c ;
    public : void accept()
    {
       cout << "Enter radius" ;
       cin >> r ;
    }
    void compute ()
    {
       c = 2 * 3.14 * r;
    }
    void print ()
    {
       cout << "circumference is : " << c;
    }
};
void main ()
{
circle obj;
obj.accept();
obj.compute();
obj.print();
getch();
}