public class CircleArray {

    public static void main(String[] args) {

	Circle[] myCircleArray = new Circle[5];
	double radiusSum = 0.0;

	// initialize circles
	for (int i = 0; i < myCircleArray.length; i++) {
		myCircleArray[i] = new Circle (myCircleArray.length-i-1);
	}

	// print circle info
	System.out.println("Original circles:");
	for (int i = 0; i < myCircleArray.length; i++) {
	    System.out.println("Circle " + i + " radius is: " +
			       myCircleArray[i].getRadius());
	} //for

	myCircleArray[2].setRadius(100);
	myCircleArray[myCircleArray.length-1].setRadius(12.5);

	// sum radii
	for (int i = 0; i < myCircleArray.length; i++) {
	    radiusSum += myCircleArray[i].getRadius();
	} //for
	System.out.println("Sum of radii:" + radiusSum);

   }
} //CircleArray