public class CircleManagerTester
{
    public static void main(String[] args)
    {
        CircleManager circles = new CircleManager();
        circles.add(new Circle(10.0));
        circles.add(new Circle(100.0));
        circles.add(new Circle(1.0));
        System.out.printf("Sum: %.2f\n", circles.sumAreas());
        System.out.println("Expected: 31733.23");
//         System.out.printf("Average: %.2f\n" , circles.averageArea());
//         System.out.println("Expected: 10577.74");
//         System.out.println("largest: " +circles.largest());
//         System.out.println("Expected: Circle[radius=100.0]");
//         System.out.println("Radius > 10: " + circles.firstRadiusGreaterThan10());
//         System.out.println("Expected: Circle[radius=100.0]");
        
        System.out.println("\nWith an empty CircleManager:");
        
        circles = new CircleManager();
        System.out.println("Sum: " + circles.sumAreas());
        System.out.println("Expected: 0.0");
//         System.out.println("Average: " + circles.averageArea());
//         System.out.println("Expected: 0.0");
//         System.out.println("largest: " +circles.largest());
//         System.out.println("Expected: null");
//         System.out.println("Radius > 10: " + circles.firstRadiusGreaterThan10());
//         System.out.println("Expected: null");
        

    }
}