code: public static final String defaultToString(Object object)
     {
        if (object == null)
           return "null";
        else
           return object.getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(object));
     }
docs: The default toString implementation of an object
  
  @param object the object
  @return a string in the form className@hexHashCode