Bài Tập - Quản lý nhà - Lập trình C# | C Sharp

#Program.cs

using System;
using System.Collections.Generic;

namespace BT2504
{
    delegate void SwitchCase();

    class ManagerHouse
    {
        static List<HaNoiHouse> houseList;

        static void Main(string[] args)
        {
            houseList = new List<HaNoiHouse>();

            SwitchCase[] options = { Input, Display, Sort, Search, ExitProgram };
            int choose;

            do
            {
                ShowMenu();
                choose = int.Parse(Console.ReadLine());

                if(choose > 0 && choose <= options.Length)
                {
                    options[choose - 1]();
                } else
                {
                    Console.WriteLine("Nhap lai!!!");
                }
            } while (choose != 5);
        }

        private static void Input()
        {
            Console.WriteLine("Nhap so nha can them: ");
            int N = int.Parse(Console.ReadLine());

            for(int i=0;i<N;i++)
            {
                HaNoiHouse house = new HaNoiHouse();
                house.Input();

                houseList.Add(house);
            }
        }

        private static void Display()
        {
            Console.WriteLine("=== Thong tin nha tai ha noi");

            foreach(HaNoiHouse house in houseList)
            {
                house.Display();
            }
        }

        private static void Sort()
        {
            houseList.Sort((h1, h2) => {
                return h1.DiaChi.CompareTo(h2.DiaChi);
            });

            Display();
        }

        private static void Search()
        {
            Console.WriteLine("Nhap dia chi can tim: ");
            string address = Console.ReadLine();

            foreach (HaNoiHouse house in houseList)
            {
                if(house.DiaChi == address)
                {
                    house.Display();
                }
            }
        }

        private static void ExitProgram()
        {
            Console.WriteLine("Thoat chuong trinh!!!");
        }

        static void ShowMenu()
        {
            Console.WriteLine("1. Nhap N ngoi nha o HN");
            Console.WriteLine("2. Hien thi thong tin");
            Console.WriteLine("3. Sap xep theo dia chi");
            Console.WriteLine("4. Tim kiem theo dia chi");
            Console.WriteLine("5. Thoat");
            Console.WriteLine("Chon: ");
        }
    }
}

#IHouse.cs

using System;
namespace BT2504
{
    public interface IHouse
    {
        void Input();
        void Display();
    }
}

#House.cs

using System;
namespace BT2504
{
    public class House : IHouse
    {
        public string SoNha { get; set; }
        public string DiaChi { get; set; }
        public string LoaiNha { get; set; }

        public House()
        {
        }

        public House(string soNha, string diaChi, string loaiNha)
        {
            SoNha = soNha;
            DiaChi = diaChi;
            LoaiNha = loaiNha;
        }

        public void Display()
        {
            Console.WriteLine(this);
        }

        public override string ToString()
        {
            return string.Format("So nha: {0}, dia chi: {1}, loai nha: {2}", SoNha, DiaChi, LoaiNha);
        }

        public virtual void Input()
        {
            Console.WriteLine("Nhap so nha: ");
            SoNha = Console.ReadLine();

            Console.WriteLine("Nhap dia chi: ");
            DiaChi = Console.ReadLine();

            Console.WriteLine("Nhap loai nha: ");
            LoaiNha = Console.ReadLine();
        }
    }
}

#HaNoiHouse.cs

using System;
namespace BT2504
{
    public class HaNoiHouse : House
    {
        public string TenQuan { get; set; }

        public HaNoiHouse()
        {
        }

        public override void Input()
        {
            base.Input();
            Console.WriteLine("Nhap ten quan: ");
            TenQuan = Console.ReadLine();
        }

        public override string ToString()
        {
            return string.Format("{0}, ten quan: {1}", base.ToString(), TenQuan);
        }
    }
}