Head First Servlets and JSP, 2nd Edition

Enhancing the servlet to call the model, so that we can get REAL advice...

In this version two servlet we’ll enhance the doPost() method to call the model for advice (version three will make the advice come from a JSP). The code changes are trivial, but the important part is understanding the redeployment of the enhanced web app. You can try to write the code, recompile, and deploy on your own, or you can turn the page and follow along...

Sharpen your pencil

Enhance the servlet, version two

Forget about servlets for a minute, let’s just think Java. What are the steps we have to take to accomplish the following?

1 - Enhance the doPost() method to call the model.

2 - Compile the servlet.

3 - Deploy and test the updated web app.

public class BeerSelect extends HttpServlet {