java多线程编程（3）买票

1，买票非同步版本

http://www.cnblogs.com/anbylau2130/archive/2013/04/17/3025347.html很详细

 public class 多线程2 {

     /**
      * @param args
      */
     public static void main(String[] args) {
         // TODO Auto-generated method stub
         Runnable r=new mythread();
         Thread t1=new Thread(r);
         Thread t2=new Thread(r);
         t1.start();
         t2.start();

     }

 }
 class  mythread implements Runnable
 {
     private int  num=100;
   public void run()
   {
      while(true)
      {
          if(num>0){
              try {
                 Thread.sleep(1000);
             } catch (InterruptedException e) {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }

              System.out.println(Thread.currentThread().getName()+"剩下"+num--);}
          else break;

      }

   }

 }