In Java, a communication based on a socket (socket). A two-person single direction communication example

/*
* Date:2004-11-29 author:zhangyu6050;
* TODO: a two-person single direction communication example
* This file is the host side (Server)
* Provide communication between host and client sockets: Fromclient
* Bugs:
*/

Import java.net.*;
Import java.io.*;

public class Chatserver {

public static void Main (string[] args) {

Final int port = 1775; The port number of the host that established the communication
ServerSocket socserver = null;
Socket fromclient=null;//host and client communication sockets Word: Fromclient
String message= "Hello,i ' m server!";
Try
{
Socserver = new ServerSocket (port);
}
catch (IOException E)
{
System.err.println ("Could not listen on port:" +port);
System.exit (1);
}

Socket clientsocket = null;
try {
Fromclient = Socserver.accept ();
catch (IOException e) {
System.err.println ("Accept failed.");
System.exit (1);
}
try{
ObjectOutputStream oos=new ObjectOutputStream (Fromclient.getoutputstream ());

Oos.writeobject (message);
Oos.close ();
Fromclient.close ();//close all stream connections before closing a set of words

catch (IOException E1) {
E1.printstacktrace ();
}
}

}




/*
* date:2004-11-29
* AUTHOR:ZHANGYU6050;
* TODO: a two-person single direction communication example
* This document is Customer side (client)
* Bugs:
*/
Import java.net.*;
Import java.io.*;
public class ChatClient {
public static void Main (string[] args) {
final int port=1775;
Socket Socket=null;
try {
Socket=new Socket ("127.0.0.1", port);
ObjectInputStream ois=new ObjectInputStream (Socket.getinputstream ());
String mess= (String) ois.readobject ();
System.out.print (mess);



catch (Unknownhostexception e) {
E.printstacktrace ();
catch (IOException e) {
E.printstacktrace ();
catch (ClassNotFoundException e) {
E.printstacktrace ();
}
}
}