public class TestPolygon { public static void printArea(Rectangle rect) { float area = rect.calArea(); System.out.println("The area of the " + rect.getPolytype() + " is " + area); } public static void printArea(Triangle tri) { float area = tri.calArea(); System.out.println("The area of the " + tri.getPolytype() + " is " + area); } public static void main(String[] args ) { Rectangle rect = new Rectangle("Rectangle", 3.0f, 4.0f); printArea(rect); // static binding rect.printWidthHeight(); Triangle triangle= new Triangle("Triangle", 3.0f, 4.0f); printArea(triangle); // static binding triangle.printWidthHeight(); } public static void printArea(Polygon poly) { float area = poly.calArea( ); System.out.println("The area of the " + poly.getPolytype() + " is " + area); } public static void main2(String[] args ) { Rectangle rect = new Rectangle("Rectangle", 3.0f, 4.0f); printArea(rect); rect.printWidthHeight(); Triangle triangle= new Triangle("Triangle", 3.0f, 4.0f); printArea(triangle); triangle.printWidthHeight(); } }