스레드 SCV Work 공유자원 동기화

using System;
using System.Collections.Generic;
using System.Threading;

namespace HelloWorld
{
    public class Minerals
    {
        private int amount = 100;

        public int Amount
        {
            get
            {
                return this.amount;
            }
            set
            {
                this.amount = value;
            }
        }
    }

    public class App
    {
        private Minerals minerals = new Minerals();
        private object lockobj = new object();

        public App()
        {
            List<SCV> list = new List<SCV>();
            for (int i = 0; i < 10; i++)
            {
                SCV scv = new SCV(i, minerals, lockobj);
                list.Add(scv);
            }

            List<Thread> threads = new List<Thread>();

            foreach (SCV scv in list)
            {
                Thread t = new Thread(scv.Work);
                t.Start();
                Thread.Sleep(10);
                threads.Add(t);
            }
            foreach (var t in threads)
            {
                t.Join();
            }

            Console.WriteLine("minerals: {0}", this.minerals.Amount);

        }
    }
}

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

namespace HelloWorld
{
    class SCV
    {
        private int num;
        private Minerals mineral;
        private object lockobj;

        //생성자
        public SCV(int x, Minerals mineral, object lockobj)
        {
            this.num = x;
            this.mineral = mineral;
            this.lockobj = lockobj;
        }

        public void Work()
        {
            Console.WriteLine("SCV{0}번이 미네랄을 캡니다. 접근하는 미네랄: {1}", this.num, this.mineral.Amount);
            this.mineral.Amount -= 8;
        }
    }
}