// Fig. 9.26: Test.java
// Class to test Shape, Point, Circle, Cylinder hierarchy

// Java core packages
import java.text.DecimalFormat;

// Java extension packages
import javax.swing.JOptionPane;

public class Test {

   // test Shape hierarchy
   public static void main( String args[] )
   {
      // create shapes
      Point point = new Point( 7, 11 );          
      Circle circle = new Circle( 3.5, 22, 8 );  
      Cylinder cylinder = new Cylinder( 10, 3.3, 10, 10 );

      // create Shape array 
      Shape arrayOfShapes[] = new Shape[ 3 ];

      // aim arrayOfShapes[ 0 ] at subclass Point object
      arrayOfShapes[ 0 ] = point;

      // aim arrayOfShapes[ 1 ] at subclass Circle object
      arrayOfShapes[ 1 ] = circle;

      // aim arrayOfShapes[ 2 ] at subclass Cylinder object
      arrayOfShapes[ 2 ] = cylinder;  

      // get name and String representation of each shape
      String output =
         point.getName() + ": " + point.toString() + "\n" +
         circle.getName() + ": " + circle.toString() + "\n" +
         cylinder.getName() + ": " + cylinder.toString();
   
      DecimalFormat precision2 = new DecimalFormat( "0.00" );

      // loop through arrayOfShapes and get name,
      // area and volume of each shape in arrayOfShapes
      for ( int i = 0; i < arrayOfShapes.length; i++ ) {
         output += "\n\n" + arrayOfShapes[ i ].getName() + 
            ": " + arrayOfShapes[ i ].toString() +
            "\nArea = " + 
            precision2.format( arrayOfShapes[ i ].area() ) +
            "\nVolume = " +
            precision2.format( arrayOfShapes[ i ].volume() );
      }

      JOptionPane.showMessageDialog( null, output,
         "Demonstrating Polymorphism",
         JOptionPane.INFORMATION_MESSAGE );

      System.exit( 0 );
   }

}  // end class Test

/**************************************************************************
 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
 *                                                                        *
 * DISCLAIMER: The authors and publisher of this book have used their     *
 * best efforts in preparing the book. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
 * no warranty of any kind, expressed or implied, with regard to these    *
 * programs or to the documentation contained in these books. The authors *
 * and publisher shall not be liable in any event for incidental or       *
 * consequential damages in connection with, or arising out of, the       *
 * furnishing, performance, or use of these programs.                     *
 *************************************************************************/