java servlet----模拟一个简单的tomcat服务器

package com.mytomcat;

import java.net.*;
import java.io.*;

public class Mytomcat {

public static void main(String[] args)throws Exception
{
   ServerSocket s = new ServerSocket(9988);

  System.out.println("waiting....");
  Socket s1 = s.accept();
   OutputStream os = s1.getOutputStream();

   BufferedReader br = new BufferedReader(new FileReader("F:\\hello.html"));
   String buf = "";
   while((buf=br.readLine())!=null)
   {
	   os.write(buf.getBytes());
   }

   br.close();
   os.close();
   s.close();

}