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Write a program to calculate Circle area

Submitted by Rahul on Mon, 09/13/2010 - 13:39

/*
 * Write a program to calculate Circle area. Program should have class called
 * Circle with radius as member variable and getArea member method.
 * getArea method should print area of the Circle object.
 */
 
class Circle{
 
 int r;
 
 void setData(int x){
  r = x;
 }
 
 void getArea(){
  
  //area of circle is  = pi * r * r
  System.out.println("Area of Circle: " + (3.14 * r * r));
 }
}
 
public class CircleArea
{
 public static void main(String args[]){
  
  Circle c1 = new Circle();
  c1.setData(10);
  c1.getArea();
  
  Circle c2 = new Circle();
  c2.setData(4);
  c2.getArea();
 }
}