1  import java.util.*;

  2  

  3  public class ComparatorTester

  4  {

  5     public static void main(String[] args)

  6     {

  7        ArrayList<Country> countries = new ArrayList<>();

  8        countries.add(new Country("Uruguay", 176220));

  9        countries.add(new Country("Thailand", 514000));

 10        countries.add(new Country("Belgium", 30510));

 11        Comparator<Country>  comp = new CountryComparatorByName();

 12        Collections.sort(countries, comp);

 13           // Now the array list is sorted by country name

 14        for (Country c : countries)

 15          System.out.println(c.getName() + " " + c.getArea());

 16     }

 17  }

 18