C#語法學習線程(Thread)

/*
 * 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();
    }
}