BUG #4368: problem with jdbc postgresql

The following bug has been logged online:

Bug reference:      4368
Logged by:          devi
Email address:      lakshmidevi83@gmail.com
PostgreSQL version: psql 8.2.4
Operating system:   windows xp
Description:        problem with jdbc postgresql
Details:

am using

jdk1.5.0_14
jdbc3  --  postgresql-8.2-508.jdbc3
psql 8.2.4

its really much confusing in connectivity..please help me giving answers to
this question

1. where to save postgresql-8.2-508.jdbc3
(all have giving different ideas)

2.how to set the class path?is i have to download tomcate....

3.can you please give me a clear picture to set class
path with postgresql-8.2-508.jdbc3

4. how to run my java application files