01: import java.util.*;
02: 
03: public class ComparatorTest
04: {
05:    public static void main(String[] args)
06:    {
07:       ArrayList countries = new ArrayList();
08:       countries.add(new Country("Uruguay", 176220));
09:       countries.add(new Country("Thailand", 514000));
10:       countries.add(new Country("Belgium", 30510));
11:       Comparator comp = new CountryComparatorByName();
12:       Collections.sort(countries, comp); 
13:          // now the array list is sorted by name
14:       for (int i = 0; i < countries.size(); i++)
15:       {
16:          Country c = (Country) countries.get(i);
17:          System.out.println(c.getName() + " " + c.getArea());
18:       }
19:    }
20: }
21: