Java interview questions

1. What are the various ways to implement threads.
2. How do we make a section of code thread-safe.
3. What all do you know about Springs Framework.
4. Which template have you used in Springs DAO.
5. Explain some features of Hibernate.
6. How is Hibernate different that Springs DAO.
7. Which version of Struts have you worked on.
8. Explain the flow of control in a struts framework.