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Other Requirements The host and port where the clients look for the server should not be hard coded. It's okay to put in a default value, but it should be possible to change the server host and port either with a command line option, a system property, a dialog chah, a configuration file, something like that.

There is no way to give their name at this point.

You should be able to specify a name that will be sent with your messages, either with a command line option, a system property, a configuration file, or with a dialog box that pops up. That comes in a later asment on authentication.

A simple chat room using java socket with the client-server paradigm | laptrinhx

Move the server around. When it detects a caht client, it should do the following: Get the connected Socket from the ServerSocket, and get the associated input and output streams.

The server will discard messages once they are sent, and there is no way to get them back. Be lazy, save yourself some roosm Do it right once, and you won't have to do it again.


One thread waits for messages to come down the network connection, while the other thread handles window events, key strokes, and sending messages. The server could be multi-threaded: The main thread goes into an infinite loop where it accepts client connections from a ServerSocket. The server Write a chat room server that uses the ServerSocket and Socket classes in package java. The monitor client and GUI client ought to have some code in common.

Roomw De I will go through the important classes and their workings as well.

Client - simple java chatroom - stack overflow

You can tell when the connection has failed because you'll get an IOException or something like that the next time you try to read or write a message. To test the chat code, type java ThreadedServer on one host and java SClient Chxt servername on another. Please include it with your final submission if you use it. Clients should be able to connect to and disconnect from the server at will.

Simple chat room asment

This program is useful for debugging and should be easy to write. Both hosts may be the same, in which case you should use localhost for the hostname, or just leave it blank. The GUI client Write a fully functional client with a graphical user interface something like the screen shot above. There should be at minimum a text field that shows all the messages that have been broadcast so far including who sent them and the text and a text field where you can type jaava message and send it.

They ought to be compatible if you've implemented the protocol properly.

Most real servers of various kinds are written this way. Start a new thread that waits for the client to send messages to the server. It should contact a chat server and display all messages that come from it.

Creating a chat server using java : 8 steps (with pictures) - instructables

Other possible features: allow it to send multi-line messages, allow you to change your chat name, and if you're using Swing have it display text with HTML markup. Some additional html and xml files that complete the project and are essential are also explained. The client needs to watch for this in case the server goes down, and the server needs to watch for this because clients are allowed to disconnect at any time.

It shouldn't send any messages, just monitor the ones that get sent. One little thing I like is to make it so that the message list scrolls to the bottom whenever a message arrives. Test your clients and server against someone else's. The monitor client Write a monitor client.

Github - lhrotk/java-chat-room: a simple java chat room project with ui

The client and server don't exchange any information other than these chat messages. Chat Room Check Code here Introduction This application is a simple chat room application developed using web-sockets in Java.

When a client connects, the server should broadcast a message from "server" stating that someone has logged in, and give their host and IP address. You are free to use or modify it, or not to use it at all.

How to create a chat console application in java using socket

The basic tasks users can perform are: entering a room sending messages leaving the room In the below sections, I will present an overview of the project components, what are the classes that make up the project and some few pointers on future scope. It has below method implementations:- onOpen:Establishes a connection between client and server onMessage: Gets session and user information and sends messages. Store a reference to the output stream somehow.

The idea behind this standard is that everyone's chat room should end up being compatible. The sample solution and the GUI source code can be downloaded here.

The protocol is stateless, and clients are not expected to be able to show messages that were sent before they connected to the server.