大家来找碴-java 流
服务器
package   main;
import   java.io.*;
import   java.net.*;
import   java.util.*;
import   enroll.EnrollInfo;
public   class   Main  
{
public   static   void   main(String[]   args)  
{
try  
{
//创建连接
ServerSocket   socket   =   new   ServerSocket(7002);
while(true)
{
int   counter=1;
//连接
Socket   incoming=socket.accept();
System.out.println(counter);
Runnable   r=new   ThreadeEchoHand(incoming,counter);
Thread   t=new   Thread(r);
t.start();
counter++;
}
}  
catch   (IOException   e)
{
e.printStackTrace();
}
}
}
class   ThreadeEchoHand   implements   Runnable//线程类
{
private   Socket   incoming;
private   int   counter;
public   ThreadeEchoHand(Socket   incoming,   int   counter)  
{
this.incoming=incoming;
this.counter=counter;
}
public   void   run()  
{
try  
{
try
{
//输入流和输出流连接incoming
InputStream   inStream=incoming.getInputStream();
OutputStream   outStream=incoming.getOutputStream();
//用输入流得到数据
ObjectInputStream   inobj=new   ObjectInputStream(inStream);
//用输出流输出数据
ObjectOutputStream   outobj=new   ObjectOutputStream(outStream);
try  
{
//读一段数据
EnrollInfo   n=(EnrollInfo)inobj.readObject();
n.toString();
}  
catch   (ClassNotFoundException   e)  
{
e.printStackTrace();
}
}
finally{incoming.close();}//关闭流
}  
catch   (IOException   e)  
{
e.printStackTrace();
}
}
}
客户端
package   ceshi;
import   java.io.*;
import   java.net.*;
import   java.sql.*;

import   enroll.EnrollInfo;
public   class   Na  
{

public   Na()  
{
ObjectOutputStream   o=null;
Socket   socket1=null;
try   {
socket1   =   new   Socket( "127.0.0.1 ",   7002);
//输入流和输出流连接incoming
OutputStream   outStream=socket1.getOutputStream();
o=new   ObjectOutputStream(outStream);
EnrollInfo   nn=new   EnrollInfo( "name ", "asas ",new   Date(19820208),   "3423 ",   "3123 ",   "324 ",   "3424 ",   "4234 ");
o.writeObject(nn);
o.flush();
}   catch   (UnknownHostException   e)   {
e.printStackTrace();
}   catch   (IOException   e)   {
e.printStackTrace();
}  
//关闭流
finally{try   {
o.close();
socket1.close();
}   catch   (IOException   e)   {
e.printStackTrace();
}}

}
public   static   void   main(String[]   args)  
{
Na   a=new   Na();
}
}
传送类
package   enroll;

import   java.sql.*;

//注册信息
public   class   EnrollInfo  
{
private   String   name;//昵称
private   String   pass;//密码
private   Date   day;//生日