Add storage class to store list in memory

Storage.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+
+namespace productlist
+{
+	public static class Storage
+	{
+		private static List<Product> productStorageList = new List<Product>();
+
+		public static void Add(Product p) {
+			productStorageList.Add (p);
+		}
+
+		private static void listProducts() {
+			if (productStorageList.Count < 1) {
+				Console.WriteLine ("No Products found!");
+				return;
+			}
+			foreach (Product p in productStorageList) {
+				p.display ();
+			}
+		}
+
+		public static void List() {
+			listProducts ();
+		}
+	}
+}
+

product-list.csproj

@@ -40,6 +40,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Product.cs" />
     <Compile Include="UI.cs" />
+    <Compile Include="Storage.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>