1 import java.io.*;
 2 import java.net.*;
 3 public class HelloServerTest {
 4 
 5     public static void main(String[] args) {
 6         try {
 7             //创建ServerSocket
 8         ServerSocket ss=new ServerSocket(8888);
 9         System.out.println("I am listening");
10         
11         Socket s=ss.accept();
12         
13         //可以从客户端读取消息
14         InputStreamReader isr=new InputStreamReader(s.getInputStream());
15         BufferedReader br=new BufferedReader(isr);
16         String kk=br.readLine();
17         System.out.println("客户端传过来的消息是:"+kk);
18         System.out.println(" the message from client is :"+kk);
19         
20         OutputStreamWriter osw=new OutputStreamWriter(s.getOutputStream());
21         PrintWriter pw=new PrintWriter(osw,true);
22         pw.println("message from the server");
23         } catch (Exception e) {
24             // TODO: handle exception
25         }
26     }
27 
28 }

 1 import java.io.*;
 2 import java.net.*;
 3 public class ClientTest {
 4 
 5     public static void main(String[] args) {
 6         // TODO Auto-generated method stub
 7 try {
 8     //连接ip 和port
 9     Socket s=new Socket("192.168.148.10",8888);
10     OutputStreamWriter osw=new OutputStreamWriter(s.getOutputStream());
11     BufferedWriter bw=new BufferedWriter(osw);
12     PrintWriter pw=new PrintWriter(bw,true);
13     pw.println("Hello,zouteng,java net");
14     
15     InputStreamReader isr=new InputStreamReader(s.getInputStream());
16     BufferedReader breader=new BufferedReader(isr);
17     String kk=breader.readLine();
18     System.out.println("服务器反馈的信息： "+kk);
19 } catch (UnknownHostException e) {
20     // TODO Auto-generated catch block
21     e.printStackTrace();
22 } catch (IOException e) {
23     // TODO Auto-generated catch block
24     e.printStackTrace();
25 }
26     }
27 
28 }