C#面向对象问题，可以请各位提供一下这题思路吗

Question

设计一个电脑类, 字段: CPU, 主板, 硬盘, 内存, 显卡
CPU / 主板 / 硬盘 / 内存 / 显卡 都是单独的类，字段: 名称 / 价格
电脑类方法: 计算这个电脑的价格。

Answer 1

参考，有帮助麻烦点个采纳【本回答右上角】，谢谢~~有其他问题可以继续交流~

using System;
namespace ConsoleApplication1
{
    public class Hardware
    {
        public string Name { get; set; }
        public double Price { get; set; }
        private int _Num = 1;
        /// <summary>
        /// 数量
        /// </summary>
        public int Num { get { return _Num; } set { if (value < 0) _Num = 1;_Num = value; } }
        public double TotalPrice { get { return Price * Num; } }
    }
    public class Cpu : Hardware { }
    public class MotherBoard : Hardware { }
    public class HardDisk : Hardware { }
    public class Memory : Hardware { }
    public class GraphicsCard : Hardware { }
    public class PC
    {
        public Cpu cpu { get; set; }
        public MotherBoard motherBoard { get; set; }
        public HardDisk hardDisk { get; set; }
        public Memory memory { get; set; }
        public GraphicsCard graphicsCard { get; set; }

        public double GetPrice()
        {
            return cpu.TotalPrice + motherBoard.TotalPrice + hardDisk.TotalPrice + memory.TotalPrice + graphicsCard.TotalPrice;
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            var pc = new PC
            {
                cpu = new Cpu { Price = 1, Name = "Intel" },
                motherBoard = new MotherBoard { Price = 1, Name = "华硕" },
                hardDisk = new HardDisk { Price = 1, Name = "三星HDD" },
                memory = new Memory { Price = 1, Name = "金士顿8G", Num = 4 },
                graphicsCard = new GraphicsCard { Price = 1, Name = "影驰" }
            };
            Console.WriteLine(pc.GetPrice());
            Console.ReadKey();
        }
    }
}