How do you integrate Hibernate with your Java application?

you can see this tutorial it include all the steps needed and you can download full source code for the solutions to see how the java classes and hibernate utility classes are used together.
http://www.mkyong.com/tutorials/hibernate-tutorials/ and if you need any more help feel free to ask.

Hibernate Integration not complicated in java .
Go to: http://www.hibernate.org/downloads and download jar files after downloading jar files put WEB-INF/ lib and add to project.
Now you can use hibernate facilities.
In Hibernate3.0 and later Annotation concept is their.
Its very easy to use.
Maroof