AutoFac Dependency Injection

using Autofac;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DependencyInjection {

    class Program {

        static void Main(string[] args) {

            List<int> speakerList = new List<int>();
            List<float> presentationList = new List<float>();

            using (var container = ContainerListi.SpeakerListContainer()) {

                var speakerController = container.Resolve<IGetSpeakerList>();
                speakerList = speakerController.GetListu();
            }

            using (var container = ContainerListi.PresentationListContainer()) {

                var presentationController = container.Resolve<IGetPresentationList>();
                presentationList = presentationController.GetListu();
            }



            for (int i = 0; i < speakerList.Count; i++)
                Console.WriteLine(speakerList[i]);

            for (int i = 0; i < presentationList.Count; i++)
                Console.WriteLine(presentationList[i]);

            Console.WriteLine("Negativni brojevi [ -1 -2 -3 ] su dummy PREDAVACI\n" +
                              "Negativni brojevi [ -10 -20 -30 ] su dummy PREDAVANJA\n" +
                              "Pozitivni brojeve [ 1 2 3 ] su real PREDAVACI\n" +
                              "Pozitivni brojevi [ 10 20 30 ] su real PREDAVANJA");

        }
    }


    // Predavač dummy
    class DummySpeakerController : IGetSpeakerList {

        public List<int> GetListu() {
            return new List<int>() { -1, -2, -3 };
        }
    }

    // Predavač real
    class CloudSpeakerController : IGetSpeakerList {

        public List<int> GetListu() {
            return new List<int>() { 1, 2, 3 };
        }
    }


    // Predavanja dummy
    class DummyPresentationController : IGetPresentationList {

        public List<float> GetListu() {
            return new List<float>() { -10, -20, -30 };
        }
    }

    // Predavanja real
    class CloudPresentationController : IGetPresentationList {

        public List<float> GetListu() {
            return new List<float>() { 10, 20, 30 };
        }
    }


    class ContainerListi {

        public static IContainer SpeakerListContainer() {

            var builder = new ContainerBuilder();
            builder.RegisterType<DummySpeakerController>().As<IGetSpeakerList>();

            return builder.Build();
        }


        public static IContainer PresentationListContainer() {

            var builder = new ContainerBuilder();
            builder.RegisterType<CloudPresentationController>().As<IGetPresentationList>();

            return builder.Build();
        }

    }

    // Interface za predavace - int = Speaker
    public interface IGetSpeakerList {

        List<int> GetListu();
    }

    // Interface za predavanja - float = Presentation
    public interface IGetPresentationList {

        List<float> GetListu();
    }
}