namespace ReadonlyDemo{  /// <summary>  /// 創(chuàng)建一個(gè)旅店類  /// </summary>  class Hotel  {    public readonly int roomNum; //表示房間總數(shù)    public int guestNun;     //表示已入住房間數(shù)    public Hotel(int roomNumValue) { //構(gòu)造函數(shù)      roomNum = roomNumValue;    }     public bool isFull()    {      if(guestNun >= roomNum)      {        return true;      }      else      {        return false;      }    }    //一個(gè)旅客入住    public void LodgeIn()    {      if (isFull())      {        Console.WriteLine("房間滿了");      }      else      {        guestNun++;        Console.WriteLine("入住成功");      }    }  }  class Program  {    static void Main(string[] args)    {      Console.WriteLine("---------HOT1旅店----------");      Hotel hot1 = new Hotel(6); //hot1旅店有6個(gè)房間      for (int i = 0; i < 7; i++)      {        hot1.LodgeIn(); //入住客人      }      Console.WriteLine("HOT1旅店房間總數(shù):{0}", hot1.roomNum);      Console.WriteLine("HOT1旅店已經(jīng)入住：{0}人", hot1.guestNun);      Console.WriteLine("---------Tel1旅店----------");      Hotel tel1 = new Hotel(5); //Tel1旅店有10個(gè)房間      for (int i = 0; i < 3; i++)      {        tel1.LodgeIn(); //入住客人      }      Console.WriteLine("Tel1旅店房間總數(shù):{0}", tel1.roomNum);      Console.WriteLine("Tel1旅店已經(jīng)入住：{0}人", tel1.guestNun);      Console.ReadLine();    }  }}