1  public class SortStringByLength {
  2    public static void main(String[] args) {
  3      String[] cities = {"Atlanta", "Savannah", "New York", "Dallas"};
  4      java.util.Arrays.sort(cities, new MyComparator());
  5  
  6      for (String s : cities) {
  7        System.out.print(s + " ");
  8      }
  9    }
 10  
 11    public static class MyComparator implements
 12        java.util.Comparator<String> {
 13      @Override
 14      public int compare(String s1, String s2) {
 15        return s1.length() - s2.length();
 16      }
 17    }
 18  }