/*
 * Circle.java    Authors: Koffman & Wolz
 * A class that represents a circle
 */
public class Circle {

   private double radius;

   public Circle() {}

   public Circle(double rad) {
     radius = rad;
   }

   public void setRadius(double rad) {
     radius = rad;
   }

   public double getRadius() {
     return radius;
   }

   public double computeArea() {
     return Math.PI * radius * radius;
   }

   public double computeCircum() {
     return 2.0 * Math.PI * radius;
   }

   public String toString() {
     return "circle with radius: " + radius;
   }
}