Java Socket Application (v)--programming for TCP-based socket communication

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Ideas:

The test code for the server segment is as follows:

：

Package Com.test;import Java.io.bufferedreader;import Java.io.ioexception;import java.io.inputstream;import Java.io.inputstreamreader;import Java.net.serversocket;import Java.net.socket;import Java.util.logging.Level; Import java.util.logging.logger;/** * * @author WONDERQ */public Class Server {//server-side public static void main (string[]            args) {try {//1. Create a server-side socket, that is, ServerSocket, specify the bound port, and listen for this port.            ServerSocket serversocket=new ServerSocket (8888);            2. Call ServerSocket's Accept () method, waiting for the client's connection System.out.println ("= = Server is about to start, waiting for client connection = =");            Socket socket=serversocket.accept (); 3. Gets the input stream used to read the login information issued by the client InputStream Is=socket.getinputstream ();//Byte input stream InputStreamReader isr=new in            Putstreamreader (IS);//convert bytes into a character stream//add buffer to a character stream BufferedReader bufferedreader=new BufferedReader (ISR);            String Info=null; Iterates through the client-submitted information while (Info=<span style= "font-family:arial, Helvetica, Sans-serif; "            >bufferedreader.readline () </span>)!=null) {System.out.println ("I am the server, the client submits the information is:" +info);            } socket.shutdowninput ();            4. Close the relevant resource bufferedreader.close ();            Is.close ();            Isr.close ();            Socket.close ();        Serversocket.close ();        } catch (IOException ex) {Logger.getlogger (Server.class.getName ()). log (Level.severe, NULL, ex); }    }}

The client is as follows:

Package Com.test;import Java.io.ioexception;import Java.io.outputstream;import java.io.printwriter;import Java.net.socket;import java.util.logging.level;import java.util.logging.logger;/** * * @author WONDERQ */public class Client {//clients public    static void Main (string[] args) {        try {            //1. Create client socket, specify server address and port number            socket socket =new Socket ("127.0.0.1", 8888);            2. Gets the output stream used to send information to the server              outputstream os=socket.getoutputstream ();//byte output stream              //convert to print stream              printwriter pw=new PrintWriter (OS);              Pw.write ("User name: Wonderq; Password: root");              Pw.flush ();//flush cache, output information to server side              //Turn off output stream              socket.shutdownoutput ();              3. Close Resource              pw.close ();              Os.close ();              Socket.close ();        } catch (IOException ex) {            Logger.getlogger (Client.class.getName ()). log (Level.severe, NULL, ex);}}}    

After that, run the server side and run the results:

= = Server is about to start, waiting for client connection = =

Then run the client, no output. At this point, to see the output of the server-side class, the discovery has changed:

This is:

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Java Socket Application (v)--programming for TCP-based socket communication