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Write a program to calculate Cylinder area

Submitted by Rahul on Mon, 09/13/2010 - 13:40

/*
 * Write a program to calculate Cylinder area. Program should have class called
 * Cylinder with radius and height as member variables and getArea member method.
 * getArea method should print area of the Cylinder object.
 */
 
class Cylinder{
 
 int r;
 int h;
 
 void setData(int x, int y){
  r = x;
  h = y;
 }
 
 void getArea(){
  
  //total area of cylinder is  = (2 * pi * r * r) + (2 * pi * r * h)
  System.out.println("Area of Cylinder: " + (2* 3.14f * r * r) + (2* 3.14f * r * h));
 }
}
 
public class CylinderArea
{
 public static void main(String args[]){
  
  Cylinder c1 = new Cylinder();
  c1.setData(10, 4);
  c1.getArea();
  
  Cylinder c2 = new Cylinder();
  c2.setData(3,4);
  c2.getArea();
 }
}