public class Circle
	{

	   public double radius = 0.0;
		final double pi = 3.14159;
	   double area;
	   double diameter;
	   double circumference;


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


	   {
	      radius = r;
	   }



	   public double getRadius()
	   {
	      return radius;
	   }

	   public double getArea()
	   {
	      return pi * radius * radius;
	   }

	   public double getDiameter()
	   {
	      return 2 * radius;
	   }

	   public double getCircumference()
	   {
	      return 2 * pi * radius;
	   }
	}