最简单的java http 服务器

package testreadline;
import java.net.*;
import java.io.*;

public class test 
{
	public static void main(String[] args) throws IOException 
	{
		ServerSocket serversocket=new ServerSocket(80);
		while(true)
		{
			Socket socket=serversocket.accept();
			new ServerThread(socket).start();   			
		}		
	
	}
}

class ServerThread  extends Thread
{
	Socket socket=null;
	ServerThread(Socket socket)throws IOException 
	{
		this.socket=socket; 
	}
	public void run() 
	{
		String info = "HTTP/1.1 200 OK\n" + 
                "Server: Apache-Coyote/1.1\n" + 
                "Content-Type: text/html;charset=utf-8\n" + 
                "Content-Length: 1021\n" + 
                "Date: Wed, 09 Dec 2009 05:00:27 GMT\n" + 
                "\n"+"<H1>港港都是泪,还是早停困!</H1>"; 
		OutputStream os;
		try 
		{
			os = socket.getOutputStream();
			os.write(info.getBytes("utf-8")); 
			os.flush(); 
			socket.close();
		} 
		catch (Exception e1)
		{			
			e1.printStackTrace();
		}        
		
	}
	
	
}