NullObject_Exercise.cs

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using System;
 
namespace DesignPatternExamples_csharp
{
    internal class NullObject_Exercise
    {
        // ! [Using NullObject in C#]
        public void Run()
        {
            Console.WriteLine();
            Console.WriteLine("Null Object Exercise");
 
            MoveProcessor moveProcessor = new MoveProcessor();
 
            // A stream of recognized and unrecognized move commands.  The
            // unrecognized commands do nothing.
            string moveString = "ur#ld!lr";
            Console.WriteLine("  Showing the move commands:");
            moveProcessor.ShowMoveList(moveString);
 
            Console.WriteLine("  Executing the move commands:");
            Console.Write("    {0} -> ", moveString);
            moveProcessor.ExecuteMoveList(moveString);
 
            Console.WriteLine("  Done.");
        }
        // ! [Using NullObject in C#]
    }
}