about jdbc driver connection(urgent)

sir,
I am using the postgresql for storing the data in
linux machine but i can't connect the frontend (java)
using jdbc to the postgresql.I am using the following
code for connection.When i run the following code the
error occurs in "class not found". How to solve it? I
also need the informatiom of how to create
"postresql.jar & finder.jar".In my postgresql s/w this
files are not available.sent the information of this
file & how to configure the postgresql with the class
path.Please if u know how to connect, send the
information as soon as possible to me. Send the
connecting driver code to me.waiting for ur reply.I
send the code of i used as attachment.

thanks,

regards
sugumar

=====
R.Sugumar,
Project Trainee,
Wipro Technologies,
# 8,7th Main 1st Block,
Koramangala,
Bangalore-560 034,INDIA.
Tel :080-5530035 Ext :4618

__________________________________________________
Do You Yahoo!?
Get email at your own domain with Yahoo! Mail.
http://personal.mail.yahoo.com/?.refer=text