//聊天软件项目TCP升级版

 import java.io.*;

 import java.net.*;

 class TcpClient2

 {

     public static void main(String[] args)throws Exception

     {

         Socket s = new Socket("192.168.1.254",10004);

         OutputStream out = s.getOutputStream();

         out.write("服务端，你好".getBytes());

         InputStream in = s.getInputStream();

         byte[] buf = new byte[1024];

         int len = in.read(buf);

         System.out.println(new String(buf,0,len));

         s.close();

     }

 }

 class TcpServer2

 {

     public static void main(String[] args) throws Exception

     {

         ServerSocket ss = new ServerSocket(10004);

         Socket s = ss.accept();

         String ip = s.getInetAddress().getHostAddress();

         System.out.println(ip+"....connected");

         InputStream in = s.getInputStream();

         byte[] buf = new byte[1024];

         int len = in.read(buf);

         System.out.println(new String(buf,0,len));

         OutputStream out = s.getOutputStream();

         Thread.sleep(10000);

         out.write("哥们收到,你也好".getBytes());

         s.close();

         ss.close();

     }

 }