stackcompositionlibrary.cs

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// Fig. 23.12: StackCompositionLibrary.cs  
// StackComposition definition with composed List object.

using System;
using LinkedListLibrary;

namespace StackCompositionLibrary
{
   // class StackComposition encapsulates List's capabilities
   public class StackComposition
   {
      private List stack;

      // construct empty stack
      public StackComposition()
      {
         stack = new List( "stack" );
      }
	   
	   // add object to stack
      public void Push( object dataValue ) 
      { 
         stack.InsertAtFront( dataValue ); 
      }

      // remove object from stack
      public object Pop()
      { 
         return stack.RemoveFromFront(); 
      }

      // determine whether stack is empty
      public bool IsEmpty()
      {
         return stack.IsEmpty();
      }

      // output stack contents
      public void Print()
      {
         stack.Print();
      }
   
   } // end class StackComposition 
}

/*
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 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
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