queueinheritancelibrary.cs

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// Fig. 23.13: QueueInheritanceLibrary.cs
// Implementing a queue by inheriting from class List.

using System;
using LinkedListLibrary;

namespace QueueInheritanceLibrary
{
   // class QueueInheritance inherits List's capabilities
   public class QueueInheritance : List 
   {
      // pass name "queue" to List constructor
      public QueueInheritance() : base( "queue" )
      {
      }
   
      // place dataValue at end of queue by inserting 
      // dataValue at end of linked list
      public void Enqueue( object dataValue )
      {
         InsertAtBack( dataValue );
      }

      // remove item from front of queue by removing
      // item at front of linked list
      public object Dequeue( )
      { 
         return RemoveFromFront(); 
      }
   
   } // end of QueueInheritance
}

/*
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 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
 *                                                                        *
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 * best efforts in preparing the book. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
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 * programs or to the documentation contained in these books. The authors *
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 * consequential damages in connection with, or arising out of, the       *
 * furnishing, performance, or use of these programs.                     *
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*/