1  public class TestGeometricObject {
  2    /** Main method */
  3    public static void main(String[] args) {
  4      // Declare and initialize two geometric objects
  5      GeometricObject geoObject1 = new Circle(5);
  6      GeometricObject geoObject2 = new Rectangle(5, 3);
  7  
  8      System.out.println("The two objects have the same area? " +
  9        equalArea(geoObject1, geoObject2));
 10  
 11      // Display circle
 12      displayGeometricObject(geoObject1);
 13  
 14      // Display rectangle
 15      displayGeometricObject(geoObject2);
 16    }
 17  
 18    /** A method for comparing the areas of two geometric objects */
 19    public static boolean equalArea(GeometricObject object1,
 20        GeometricObject object2) {
 21      return object1.getArea() == object2.getArea();
 22    }
 23  
 24    /** A method for displaying a geometric object */
 25    public static void displayGeometricObject(GeometricObject object) {
 26      System.out.println();
 27      System.out.println("The area is " + object.getArea());
 28      System.out.println("The perimeter is " + object.getPerimeter());
 29    }
 30  }