ShapeUtilities.java

package shapes;

public class ShapeUtilities
{
    public static double getRectangleArea(double w, double h) {
        return w * h;
    }

    public static double getRectanglePerimeter(double w, double h) {
        return w * 2 +  h * 2;
    }

    public static double getCircleArea(double rad) {
        return Math.PI * rad * rad;
    }

    public static double getCircleCircumference(double rad) {
        return 2 * Math.PI * rad;
    }
}