1  import java.util.Comparator;
  2  
  3  public class TestComparator {
  4    public static void main(String[] args) {
  5      GeometricObject g1 = new Rectangle(5, 5);
  6      GeometricObject g2 = new Circle(5);
  7  
  8      GeometricObject g = 
  9        max(g1, g2, new GeometricObjectComparator());
 10      
 11      System.out.println("The area of the larger object is " + 
 12        g.getArea());
 13    }
 14    
 15    public static GeometricObject max(GeometricObject g1, 
 16        GeometricObject g2, Comparator<GeometricObject> c) {
 17    	return c.compare(g1, g2) > 0 ? g1 : g2;
 18    }
 19  }