Question

Write a program in C++ to calculate area of circle using class BSC and member function Print().

Answer 1

#include<iostream.h>
#include<conio.h>
class BSC
{
    float r;
    public:
    void print()
    {
        cout<<"Enter radius:";
        cin>>r;
        cout<<"Area of Circle="<<3.14*r*r;
    }
};

int main()
{
    BSC b;
    b.print();
    getch();
    return 0;
}

#include<iostream.h>
#include<conio.h>
class BSC
{
 float r;
 public:
 void print(float x)
 {
        r=x;
        cout<<"Area of Circle="<<3.14*r*r;
 }
};

int main()
{
  BSC b;
  float radius;
  cout<<"Enter radius:";
  cin>>radius;
  b.print(radius);
  getch();
  return 0;
}