简单的Java Web服务器

import java.io.FileInputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception{
        // TODO Auto-generated method stub
        ServerSocket server = new ServerSocket(9999);
        Socket sock = server.accept();
        FileInputStream in = new FileInputStream("c:\a\1.html");
        OutputStream out = sock.getOutputStream();
        int len = 0;
        byte buffer[] = new byte[1024];
        while((len = in.read(buffer)) > 0){
            out.write(buffer, 0, len);
        }
        in.close();
        out.close();
        sock.close();
        server.close();
    }

}