static void Main(string[] args)        {            string Continue="";//用来保存是否还需要交易标志            List< Account > listAccounts= new List
    
      { new Account(101), new Account(102), new Account(99), new Account(250), new Account(200) };            foreach (Account item in listAccounts)            {                Console.WriteLine(item.Balance);            }            Console.WriteLine("***************************************");            listAccounts.Sort();             foreach (Account item in listAccounts)            {                Console.WriteLine(item.Balance);            }            Console.Read(); ｝
    

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;using System.Collections; namespace Banking{    class Account:IComparable    {         public Account()        {         }        public Account(int balance)        {            this.balance = balance;         }        private int balance;         public int Balance        {            get { return balance; }            set                         {                if (value<=0)                {                    this.balance = 0;                }                else                {                    this.balance = value;                }            }        }         public bool Deposit(int deposit)        {             if (deposit<=0)            {                Console.WriteLine("输入的存款数目不能为负数，请重新输入:");                return false ;            }            Mutex mutex = new Mutex(true, "Mutex1");            mutex.WaitOne();            this.balance += deposit;            mutex.Close();            Console.WriteLine("系统正在处理,请耐心等待...");            Thread.Sleep(3000);            Console.WriteLine("存款交易成功!");            Thread.Sleep(2000);            return true;        }         public bool WithDraw(int draw)        {            if (draw<0)            {                Console.WriteLine("输入的取款数目不能为负数，请重新输入:");                return false;            }            if (draw>this.balance)            {                Console.WriteLine("你的余额不足以支付你的申请金额,请重新输入:");                return false;            }            Mutex mutex = new Mutex(true, "Mutex2");            mutex.WaitOne();            this.balance -= draw;            mutex.Close();            Console.WriteLine("系统正在处理，请耐心等待...");            Thread.Sleep(3000);            Console.WriteLine("取款交易成功!");            Thread.Sleep(2000);            return true;        }        public int CompareTo(object obj)        {            Account a = obj as Account;            if (this.Balance > a.Balance)            {                return 1;            }            else if (this.Balance < a.Balance)            {                return -1;            }            else if (this.Balance == a.Balance)            {                return 0;            }             return 2;        }    }}