import java.io.*;
public class ThreadFight0 implements Runnable
{
    public void run()
           {
        long a = System.currentTimeMillis();
        int i = 0;
        BufferedWriter buff = null;
        try
               {
            buff = new BufferedWriter(new FileWriter("d:\\logm2.txt"));
        }
               catch (IOException e1) 
        {
            e1.printStackTrace();
        }

        while (System.currentTimeMillis() - a <= 50) 
        {
            try 
            {
                String str = Thread.currentThread().toString() + i++;
                buff.write(str);
                System.out.println("str is  "+str);
                buff.write("\r\n");
                buff.flush();
            }
                   catch (IOException e)
                   {
                e.printStackTrace();
            }
        }
        try
               {
            buff.close();
            System.err.println("OVER, and i is " + i);
        }
               catch (IOException e)
               {
            e.printStackTrace();
        }
    }


    public static void main1(String[] args) 
    {
        ThreadFight0 fight = new ThreadFight0();
        Thread thread = new Thread(fight);
        thread.start();
    }
    
    public static void main2(String[] args) 
    {
        ThreadFight0 fight = new ThreadFight0();
        ThreadFight0 fight2 = new ThreadFight0();
        Thread thread2 = new Thread(fight2);
        Thread thread = new Thread(fight);
        thread.start();
        thread2.start();
    }

    public static void main(String[] args) 
    {
                //main1(args);
        main2(args);
    }
}