Need Help regarding a simple mobile application

Hello friends,
I am bit newbee to J2ME technology.
I have basic understanding about MIDLETS.
Friends,i am designing an instant messenger using midlet.
Could anyone send some idea's of how to design a CHAT application.IF some one can give a small code of implementing it could be really helpful....
Looking for your help!!!
Thanks In Advance !!!
Regards,
RAHUL

You have been no help but I will post again hoping someone else can reply....
Here is a more exact detailing of what I am trying to do:
I am hosting a text file here:
http://www.geocities.com/biocx/entertainer.txt
And when I open up MMAPI Demo and go to simple player, and then URL and paste this in, it plays the simple rtttl/midi file. It is doing this through RingToneConverter.
Now all I want to do, and this is the part I need help with, is while it is playing, I want the notes to be displayed on screen. Can anyone help me with this! I have tried and every time is gives me a problem saying that the RingToneConverter Class isn't abstract and I cannot print to screen...
If someone could help me with this, it would be greatly appreciated.
Thank you,
Mike

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