// Fig. 26.7: EmptyStackException.cs
// Indicates a stack is empty
using System;

class EmptyStackException : ApplicationException
{
   // parameterless constructor
   public EmptyStackException()
      : base("Stack is empty")
   {
      // empty constructor
   } // end parameterless constructor

   // one-argument constructor
   public EmptyStackException(string exception)
      : base(exception)
   {
      // empty constructor
   } // end one-argument constructor
} // end class EmptyStackException

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