This Project Entitled as ‘COM CAT’ is used basically for chatting purpose with the remote clients or users on Internet or local networks. Here in this project a java client / server combination is used to chat with remote users. When a Client wants to chat with a user on a remote host, he sends a   request to the Server with a identification name like chat-id, the server responds to the request by identifying the client-id which is already registered in the server domain and when matched his request is granted and the client can begin to chat with the remote users present on the internet or local network.

The power of Internet is such that it integrates together LANs located across diverse software and hardware forms into a single large communication network that spans the globe. The client needs to have a client software such as Netscape Navigator or Internet Explorer to retrieve information   as well as chat on the

www.  referred to as Netsurfing. And it supports chatting, text, video and audio.

The benefit of using “COM CAT” over other chatting tools is that, with the help of java, the programmer can create applet applications which can be use the internet as a server. Applets are machine independent and so java programs can run on any computer on the internet.

The term client/server is used in the context of networking, what it actually means.


It is important to understand the terms client/server because the INTRANET CHATTTING project is supported completely by client/server model. A server is anything that has some resource that can be shared. There are compute servers, which provide computing power, web servers, which store web pages. A client is simply any other entity that wants to gain access to a particular server. The interaction between client\server is like an interaction between an electrical socket and a lamp. The server is a permanently available resource while client is free to “unplug” after it has been served.

The program’s premier feature is its whiteboard drawing utility. You can draw freehand, do circles, squares, lines, text, or paste image files to the canvas.  This is ideal when users want to “sketch” concepts for one another.  Users can interact publicly with everyone else on the server, or they can chat/draw privately using java Chat’s “whisper mode”.  Users can create and manage chat rooms, which can be either “public” or “private”.  The server will also store and manage answering machine-style messages for users who aren’t online, and instant messages can be sent to those who are.  Additionally, users who aren’t watching their screens can be paged with sound.


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