01: import java.util.*;
02: 
03: public class CountrySortTester
04: {
05:    public static void main(String[] args)
06:    {
07:       ArrayList<Country> countries = new ArrayList<Country>();
08:       countries.add(new Country("Uruguay", 176220));
09:       countries.add(new Country("Thailand", 514000));
10:       countries.add(new Country("Belgium", 30510));
11: 
12:       Collections.sort(countries);
13:       // Now the array list is sorted by area
14:       for (Country c : countries)
15:          System.out.println(c.getName() + " " + c.getArea());
16:    }
17: }