Circle Area

package circlearea;

/**
 *
 * @author Almer
 */
public class CircleArea {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        double pi = Math.PI;
        for (int r = 1; r <= 5; r++) {
            double area = pi * r * r;
            System.out.println("Radius: " + r + ", Area: " + area);
        }
    }
}