import java.awt.Rectangle;

/**
   Another version of DataSetTester3.java (Horstmann chapter 9).
   Modified to use anonymous inner class and anonymous Measurer object,
   by cmc, 11/6/03, and small changes 2/18/05.
*/
public class DataSetTester_anon
{
    public static void main(String[] args)
    {      
        DataSet data = new DataSet( new Measurer()
            { // define anonymous class to implement Measurer
                public double measure(Object anObject)
                {
                    Rectangle r = (Rectangle)anObject;
                    double area = r.getWidth() * r.getHeight();
                    return area;
                }
            } // end of anonymous class - a Measurer object is constructed
        ); // end of call to DataSet constructor

        data.add(new Rectangle(5, 10, 20, 30));
        data.add(new Rectangle(10, 20, 30, 40));
        data.add(new Rectangle(20, 30, 5, 10));

        System.out.println("Average area = " + data.getAverage());
        Rectangle max = (Rectangle)data.getMaximum();
        System.out.println("Maximum area = " + max);
    }
}