JDBC Connection

Hi,
I am using ubuntu os.I need some information about JDBC connection.
1.how to connect eclipse with apache tomcat server
2.I am using mysql database,how to to find the database location
3.How to set the classpath
4.How to connect Mysql with java using eclipse.I need step by step procedure with screenshot.

I am waiting for your answers

Thanks
SN

Have you checked the manuals on eclipse.org and mysql.com?

How to add a JDBC driver