//********************************************************************
//  Dog.java       Author: Lewis and Loftus
//
//  Demonstrates the implementation of an interface.
//********************************************************************

class Dog implements Speaker
{
   //-----------------------------------------------------------------
   //  Prints this dog's philosophy.
   //-----------------------------------------------------------------
   public void speak ()
   {
      System.out.println ("woof");
   }

   //-----------------------------------------------------------------
   //  Prints this dog's philosophy and the specified announcement.
   //-----------------------------------------------------------------
   public void announce (String announcement)
   {
      System.out.println ("woof: " + announcement);
   }
}