import java.awt.Rectangle; /** This program demonstrates the use of a Measurer. */ public class DataSetTester2 { public static void main(String[] args) { Measurer m = new RectangleMeasurer(); DataSet data = new DataSet(m); 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 rectangle = " + max); } }