Hi there, i was thinking of building an instant messaging systemon a LAN, for my final year project. Dont know how to go about it, really need ideas. I was planning on using java sockets to create the system. Any helpful tips will be really appreciated.

I suggest starting by looking at an open protocol -- namely Jabber. There are plenty of code examples and you'll have the added advantage of being able to add multi-network support (if desired). You might also be able to enlist some help from BigBlueBall as well.

There's thousands of people doing that, millions of resources on the net about it.
Just use a search engine instead of sitting here waiting for someone to do it all for you.

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