//package chapter8;

/**
 * Title:        Chapter 8, "Class Inheritance and Interfaces"
 * Description:  Examples for Chapter 8
 * Copyright:    Copyright (c) 2000
 * Company:      Armstrong Atlantic State University
 * @author Y. Daniel Liang
 * @version 1.0
 */

// TestCasting.java: Demonstrate casting objects
public class TestCasting
{
  /**Main method*/
  public static void main(String[] args)
  {
    // Declare and initialize two geometric objects
    GeometricObject geoObject1 = new Circle(5);
    GeometricObject geoObject2 = new Cylinder(5, 3);

    // Display circle
    displayGeometricObject(geoObject1);

    // Display cylinder
    displayGeometricObject(geoObject2);
  }

  /**A method for displaying a geometric object*/
  static void displayGeometricObject(GeometricObject object)
  {
    System.out.println();
    System.out.println(object.toString());

    if (object instanceof Cylinder)
    {
      System.out.println("The area is " +
        ((Cylinder)object).findArea());
      System.out.println("The volume is " +
        ((Cylinder)object).findVolume());
    }
    else if (object instanceof Circle)
    {
      System.out.println("The area is " + object.findArea());
      System.out.println("The perimeter is " +
        object.findPerimeter());
    }
  }
}