/**
   This program demonstrates the smallerThan default method.
*/
public class MeasurableTester
{
   public static void main(String[] args)
   {
      Measurable[] countries = new Measurable[3];
      countries[0] = new Country("Uruguay", 176220);
      countries[1] = new Country("Thailand", 513120);
      countries[2] = new Country("Belgium", 30510);

      System.out.println("Uruguay is smaller than Thailand: "
         + countries[0].smallerThan(countries[1]));
      System.out.println("Expected: true");
      System.out.println("Uruguay is smaller than Belgium: "
         + countries[0].smallerThan(countries[2]));
      System.out.println("Expected: false");
   }
}