diff --git a/202409/ConsoleApp1/Animals/Animal.cs b/202409/ConsoleApp1/Animals/Animal.cs
index 640537c..e1e0262 100644
--- a/202409/ConsoleApp1/Animals/Animal.cs
+++ b/202409/ConsoleApp1/Animals/Animal.cs
@@ -1,5 +1,69 @@
 namespace ConsoleApp1.Animals
 {
+
+    internal class MealReceiverAdapter : IMealReceiver
+    {
+        public IMealContainer MealContainer { get; }
+
+        public MealReceiverAdapter(IMealContainer mealContainer)
+        {
+            MealContainer = mealContainer;
+        }
+
+
+        public int PutAMeal(int iCount)
+        {
+            if (iCount == 0) return 0;
+            for(int i = 0; i < iCount; i++)
+            {
+                MealContainer.ReturnAMeal();
+            }
+            return 1;
+        }
+    }
+
+    internal class MealContainer : IMealContainer
+    {
+        private int MealCount = 10;
+        public int GetAMeal()
+        {
+            if (MealCount == 0) return 0;
+            MealCount--;
+            return 1;
+        }
+
+        public void ReturnAMeal()
+        {
+            MealCount++;
+        }
+    }
+
+    internal class MealConsumer : IDisposable
+    {
+        public IMealContainer Container { get; }
+        public int MealCount { get; private set; } = 0;
+
+        public MealConsumer(IMealContainer container)
+        {
+            Container = container;
+        }
+
+        public void ThreeHoursLater()
+        {
+            MealCount += Container.GetAMeal();
+        } 
+
+
+        public void Dispose()
+        {
+            for(int ii =0; ii < MealCount; ii++)
+            {
+                Container.ReturnAMeal();
+            }
+        }
+    }
+
+
     internal class Animal
     {
         #region internal classes
diff --git a/202409/ConsoleApp1/Animals/IMealContainer.cs b/202409/ConsoleApp1/Animals/IMealContainer.cs
new file mode 100644
index 0000000..27b5ac9
--- /dev/null
+++ b/202409/ConsoleApp1/Animals/IMealContainer.cs
@@ -0,0 +1,14 @@
+namespace ConsoleApp1.Animals
+{
+    internal interface IMealContainer
+    {
+        int GetAMeal();
+        void ReturnAMeal();
+    }
+
+    internal interface IMealReceiver
+    {
+        int PutAMeal(int iCount);
+    }
+
+}
\ No newline at end of file
diff --git a/202409/ConsoleApp1/Program.cs b/202409/ConsoleApp1/Program.cs
index 5bbed40..a43c7aa 100644
--- a/202409/ConsoleApp1/Program.cs
+++ b/202409/ConsoleApp1/Program.cs
@@ -9,22 +9,69 @@ namespace ConsoleApp1
     {
         static void Main(string[] args)
         {
-            // h_PlayCards();
-            //Animal animal = new Animal();
-            //Animal.MilkConsumerAreaInfo info = animal.GetAreaInfo();
-            //h_Afd();\
-            // h_InfoIO();
-            // File.Delete("123.csv");
-            // string sFn = "123.csv";
-            //h_WriteCsv(sFn);
-            //h_ReadCsv(sFn);
-
-            string sXmlFn = "123.xml";
+            h_DisposableDemo();
+            using (var object_ = h_DisposablelessDemo())
+            {
+                //...
+            }
+
+
+                // h_PlayCards();
+                //Animal animal = new Animal();
+                //Animal.MilkConsumerAreaInfo info = animal.GetAreaInfo();
+                //h_Afd();\
+                // h_InfoIO();
+                // File.Delete("123.csv");
+                // string sFn = "123.csv";
+                //h_WriteCsv(sFn);
+                //h_ReadCsv(sFn);
+
+                    string sXmlFn = "123.xml";
             h_WriteXml(sXmlFn);
             h_ReadXml(sXmlFn);
             Console.ReadKey();
         }
 
+        private static void h_DisposableDemo()
+        {
+            using (MealConsumer human = new MealConsumer(GetMealContainer1()))
+            {
+                //try
+                //{
+                human.ThreeHoursLater();
+                Thread.Sleep(3 * 60 * 60 * 1000 / 400000);
+                human.ThreeHoursLater();
+                Thread.Sleep(3 * 60 * 60 * 1000 / 400000);
+                human.ThreeHoursLater();
+                Thread.Sleep(3 * 60 * 60 * 1000 / 400000);
+                Console.WriteLine();
+            }
+
+            //}
+            //finally
+            //{
+            //    human.Dispose();
+            //}
+        }
+
+        private static MealConsumer h_DisposablelessDemo()
+        {
+            MealConsumer human = new MealConsumer(GetMealContainer1());
+            human.ThreeHoursLater();
+            Thread.Sleep(3 * 60 * 60 * 1000 / 400000);
+            human.ThreeHoursLater();
+            Thread.Sleep(3 * 60 * 60 * 1000 / 400000);
+            human.ThreeHoursLater();
+            Thread.Sleep(3 * 60 * 60 * 1000 / 400000);
+            Console.WriteLine();
+            return human;
+        }
+
+        private static IMealContainer GetMealContainer1()
+        {
+            return new MealContainer();
+        }
+
         private static void h_WriteXml(string sXmlFn)
         {
             if (File.Exists(sXmlFn)) File.Delete(sXmlFn);