例三.txt

Java大学实用教程 耿祥义编著 课件 PPT

class Left extends Thread
{
    int n=0;
    public void run()
    {   
        while(true)
         {
            n++;
            System.out.printf("\n%s","我在左面写字");
            try
            {
                 sleep((int)(Math.random()*100)+100);
            }
          catch(InterruptedException e)
            {
            }
         }
    }
}
class Right extends Thread
{
    int n=0;
    public void run()
    {   
        while(true)
         {
            n++;
            System.out.printf("\n%40s","我在右面写字");
            try
            {
                 sleep((int)(Math.random()*100)+100);
            }
          catch(InterruptedException e)
            {
            }
         }
    }
}
class Example
{
    public static void main(String args[ ])
    {
         Left left=new Left();
         Right right=new Right();
         left.start();
         right.start();
         while(true)
         {
             if(left.n==8||right.n==8)
                 System.exit(0);
         }  
    }
}