1 

     2 public class Aggregate {

     3 

     4   private Aggregate();

     5 

     6   private static double hypot(double arg0,

     7     double arg1);

     8 

     9   public static void main(java.lang.String[] arg0);

    10 

    11   public boolean equals(Aggregate arg0);

    12 

    13   public int hashcode();

    14 }