/*
calculate area of circle
Copyright (C) 2009  Vegard Hammerseth <vegard@hammerseth.com> (http://vegard.hammerseth.com)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

v1.0.0
*/

/* import math lib. for getting pi */
import java.lang.Math;

class circleArea
{
	public static void main (String[] args) throws Exception
	{
		/* define vars */
		double pi, radius, area;
		
		/* set values */
		radius = 7.0;
		pi = Math.PI;
		
		/* caluclate area */
		area = pi*radius*radius;
		
		System.out.format("Area of circle with radius %.3f is %.3f",radius,area);
	}
}