diff --git a/src/hk/edu/gaSchedule/ConsoleApp.cs b/src/hk/edu/gaSchedule/ConsoleApp.cs
new file mode 100644
index 0000000..ea987f6
--- /dev/null
+++ b/src/hk/edu/gaSchedule/ConsoleApp.cs
@@ -0,0 +1,47 @@
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+
+using GaSchedule.Algorithm;
+using GaSchedule.Model;
+
+[assembly: AssemblyVersionAttribute("1.2.3")]
+namespace GaSchedule
+{
+    class ConsoleApp
+    {
+        static void Main(string[] args)
+        {       
+            Stopwatch stopwatch = Stopwatch.StartNew();
+
+            var FILE_NAME = args.Length > 0 ? args[0] : "GaSchedule.json";
+            var configuration = new Configuration();
+            configuration.ParseFile(FILE_NAME);
+
+            var alg = new APNsgaIII<Schedule>(new Schedule(configuration));
+            // var alg = new Amga2<Schedule>(new Schedule(configuration));
+
+            System.Console.WriteLine("GaSchedule Version {0} C# .NET Core. Making a Class Schedule Using {1}.", Assembly.GetExecutingAssembly().GetName().Version, alg.ToString());
+            System.Console.WriteLine("Copyright (C) 2022 - 2023 Miller Cy Chan.");
+
+            alg.Run();
+            var htmlResult = HtmlOutput.GetResult(alg.Result);
+
+            var tempFilePath = Path.GetTempPath() + FILE_NAME.Replace(".json", ".htm");
+            using (StreamWriter outputFile = new StreamWriter(tempFilePath))
+            {
+                outputFile.WriteLine(htmlResult);
+            }
+            System.Console.WriteLine("");
+            System.Console.WriteLine(@"Completed in {0:s\.fff} secs with peak memory usage of {1}.", stopwatch.Elapsed, Process.GetCurrentProcess().PeakWorkingSet64.ToString("#,#"));
+
+            using (var proc = new Process())
+            {
+                proc.StartInfo.FileName = tempFilePath;
+                proc.StartInfo.UseShellExecute = true;
+                proc.StartInfo.Verb = "open";
+                proc.Start();
+            }
+        }
+    }
+}