Unit 4 Overview

By the end of this unit you will be able to:

1. Retrieve HTML form data in a servlet.
2. Use JSTL (Java Standard Tag Library) in combination with EL to display data on a JSP.
3. Connect to a database.
4. Perform select and insert queries against a database.
5. Use prepared statements to improve security, code readability, and maintainability.
6. Use session tracking to maintain state information.