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

namespace ConsoleApp4
{
    class Program
    {
        static void Main(string[] args)
        {
            PC pc = new PcBuilder()
                .AddCPU("Ryzen 5 2600")
                .AddGPU("GTX 1060 6GB")
                .AddRAM("Crucial Ballistix Tactical 3000 MHz")
                .AddDysk("Toshiba P3000 7200 obr ")
                .AddObudowa("SilentiumPC Signum SG1")
                .Build();

            Console.ReadKey();
        }
    }
    public class PC
    {
        public string AddCPU { get; set; }
        public string AddGPU { get; set; }
        public string AddRAM { get; set; }
        public string AddObudowa { get; set; }
        public string AddDysk { get; set; }
    }
    class PcBuilder
    {
        PC pc = new PC();
        public PcBuilder AddCPU(string CPU)
        {
            pc.AddCPU = CPU;
            return this;
        }
        public PcBuilder AddGPU(string GPU)
        {
            pc.AddGPU = GPU;
            return this;
        }
        public PcBuilder AddRAM (string RAM)
        {
            pc.AddRAM = RAM;
            return this;
        }
        public PcBuilder AddObudowa(string obudowa)
        {
            pc.AddObudowa = obudowa;
            return this;
        }
        public PcBuilder AddDysk(string dysk)
        {
            pc.AddDysk = dysk;
            return this;
        }
        public PC Build()
        {
            return pc;
        }
    }
}