/*
 * Created by SharpDevelop.
 * User: Administrator
 * Date: 2008/9/11
 * Time: 下午 02:36
 * 
 */
using System;
using System.Threading;
class SingleThread
{
    static void Main(string [] args)
    {
        SingleThread st =new SingleThread();
        Thread th =new Thread(new ThreadStart(st.SayHello));
        th.Start();
    }
    public void SayHello()
    {
        Console.WriteLine("Hello from a single thread.");
    }
}

/*
 * Created by SharpDevelop.
 * User: Administrator
 * Date: 2008/9/11
 * Time: 下午 02:41
 * 
 */

using System;
using System.Threading;
class SyncData
{
    int index=0;
    string[] comment=new string[]{"一","二","三","四","五","六","七","八","九","十","十一","十二","十三","十四","十五","十六","十七","十八","十九","二十"}; 
    public string GetNetComment()
    {
        lock(this)
        {
            if(index<comment.Length)
            {
                return comment[index++];
            }
            else
            {
                return "empty";
            }
        }
    }
}
class Synchronization
{
    SyncData sdat=new SyncData();
    public void GetComments()
    {
        string comment;
        do
        {
            comment=sdat.GetNetComment();
            Console.WriteLine("Current Thread:{0},comment:{1}",Thread.CurrentThread.Name,comment);
        }while(comment!="empty");
    }
    
    static void Main(string[] args)
    {
        Synchronization sync=new Synchronization();
        Thread t1=new Thread(new ThreadStart(sync.GetComments));
        Thread t2=new Thread(new ThreadStart(sync.GetComments));
        Thread t3=new Thread(new ThreadStart(sync.GetComments));
        t1.Name="Thread 1";
        t2.Name="Thread 2";
        t3.Name="Thread 3";
        t1.Start();
        t2.Start();
        t3.Start();
    }
}