Viết chương trình quản lý xe car bằng C # - C Sharp | Khoá học lập trình C#

#Program.cs

using System;

namespace BT2490
{
    class Program
    {
        static void Main(string[] args)
        {
            LuxuryCar myLuxuryCar = new LuxuryCar();
            myLuxuryCar.Input();

            myLuxuryCar.CalculatePrice(20000);

            myLuxuryCar.GetInfo();
        }
    }
}

#Utility.cs

using System;
namespace BT2490
{
    public class Utility
    {
        public static float ReadFloat()
        {
            float value;
            while(true)
            {
                try
                {
                    value = float.Parse(Console.ReadLine());
                    return value;
                }
                catch
                {
                    Console.WriteLine("Nhap lai!!!");
                }
            }
        }

        public static int ReadInt()
        {
            int value;
            while (true)
            {
                try
                {
                    value = int.Parse(Console.ReadLine());
                    return value;
                }
                catch
                {
                    Console.WriteLine("Nhap lai!!!");
                }
            }
        }
    }
}

#ICar.cs

using System;
namespace BT2490
{
    public interface ICar
    {
        float CalculateTax();
        float CalculatePrice();
        void GetInfo();
    }
}

#Car.cs

using System;
namespace BT2490
{
    public class Car : ICar
    {
        public string Name { get; set; }
        public string Producer { get; set; }
        public int Year { get; set; }
        public int Seat { get; set; }
        public float RootPrice { get; set; }
        public float TotalPrice { get; set; }

        public Car()
        {
        }

        public Car(string name, string producer, int year, int seat, float rootPrice)
        {
            Name = name;
            Producer = producer;
            Year = year;
            Seat = seat;
            RootPrice = rootPrice;
        }

        public virtual float CalculatePrice()
        {
            TotalPrice = RootPrice + CalculateTax();
            return TotalPrice;
        }

        public float CalculateTax()
        {
            if(Seat < 7)
            {
                return RootPrice * 0.6F;
            }
            return RootPrice * 0.7F;
        }

        public void GetInfo()
        {
            Console.WriteLine("{0} car produced by {1} in {2} has {3} seats with the total price is {4}$", Name, Producer, Year, Seat, TotalPrice);
        }

        public virtual void Input()
        {
            Console.WriteLine("Nhap ten: ");
            Name = Console.ReadLine();

            Console.WriteLine("Nhap nha sx: ");
            Producer = Console.ReadLine();

            Console.WriteLine("Nhap nam: ");
            Year = Utility.ReadInt();

            Console.WriteLine("Nhap cho ngoi: ");
            Seat = Utility.ReadInt();

            Console.WriteLine("Nhap gia goc: ");
            RootPrice = Utility.ReadFloat();
        }
    }
}

#LuxuryCar.cs

using System;
namespace BT2490
{
    public class LuxuryCar : Car
    {
        public float SpecialRate { get; set; }

        public LuxuryCar()
        {
        }

        public LuxuryCar(float specialRate, string name,
            string producer, int year,
            int seat, float rootPrice):base(name, producer, year, seat, rootPrice)
        {
            SpecialRate = specialRate;
        }

        public override float CalculatePrice()
        {
            TotalPrice = RootPrice + CalculateTax() + RootPrice * SpecialRate;
            return TotalPrice;
        }

        public float CalculatePrice(float transportCost)
        {
            TotalPrice = CalculatePrice() + transportCost;
            return TotalPrice;
        }

        public override void Input()
        {
            base.Input();

            Console.WriteLine("Nhap gia dac biet: ");
            SpecialRate = Utility.ReadFloat();
        }
    }
}