不就是一个socket吗

import java.io.BufferedReader;
import java.io.*;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.*;
public class rece
{
/**
* @param args
*/
public static void main(String[] args) throws Exception
{
ServerSocket ss=new ServerSocket(10002);
while(true)
{
Socket s=ss.accept();
new Thread(new Server(s)).start();
}
}
}
class Server implements Runnable
{
private Socket s;
Server(Socket s)
{
this.s=s;
}
public void run()
{
try
{
for(int x=0; x<3;x++)
{
BufferedReader buf=new BufferedReader(new InputStreamReader(s.getInputStream()));
String name=buf.readLine();
PrintWriter pw =new PrintWriter(s.getOutputStream(),true);
BufferedReader bfin=new BufferedReader(new FileReader("user.txt"));
String info=null;
boolean b=false;
while((info=bfin.readLine())!=null)
{
if(info.equals(name))
{
b=true;
break;
}
}
if(b)
{
System.out.println(name+"connect");
pw.println(name+"huanyi");
break;
}
else
{
pw.println("meiyou");
}
s.close();
}
}
catch(Exception e)
{}
}
}

import java.net.* ;
import java.io.*;
public class 日历
{
/**
* @param args
*/
public static void main(String[] args)throws Exception
{
Socket s=new Socket("169.254.72.56",10002);
BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));
PrintWriter pw=new PrintWriter(s.getOutputStream(),true);
BufferedReader bufin=new BufferedReader(new InputStreamReader(s.getInputStream()));
for(int x=0;x<3;x++)
{
String name =buf.readLine();
if(name==null)
break;
pw.println(name);
String info=bufin.readLine();
System.out.println(info);
if(info.contains("huanyi"));
break;
}
buf.close();
s.close();
}
}

有大神能指点一波吗，自学不易啊。。

。。。

我也是自学这些东西，感觉学的好慢，还片面