Looking for a question that combines the understanding of few web technologies

I am teaching a web development course at a CS department, I wrote most of the final test by now, each question focus on a specific feature or a specific technology,

Java error: Only a type can be imported. XYZ resolves to a package

I get the error: "Only a type can be imported. XYZ resolves to a package."

JSP tricks to make templating easier?

At work I've been tasked with turning a bunch of HTML files into a simple JSP project. It's really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP, but I'd like to know a simple way to get something like template inheritance (Django style) or at least be able to have a base.jsp file containing the header and the footer, so I can insert content later.

Evaluate if list is empty JSTL

I've been trying to evaluate if this array list is empty or not but none of these have even compiled:

Image is not displayed on reterival

I have a table with Images stored in it as BLOB. I'm using JPA/Hibernate. So, that Images are mapped to a bean field with type blob. Now my Spring controller is returning entire list of bean (each object of this bean has a blob object) to my jsp. I want to display all the images on that jsp. So, I tried to use some thing like this on my jsp,

How to capture and record click event on a link to an external URL?

I have the following HTML. I want the URL 'http://www.google.com' to be inserted in the database table on click of the link.

Making a webserver using jsp and java

Using Google App Engine SDK: webpage: http://hwsejk.appspot.com/

Why getRequestDispatcher("/index.jsp”).forward() dont work with JSP?

I try to redirect my page to another using request.getRequestDispatcher("/index.jsp").forward(request, response); . But it dont work. Why? But when I change it to response.sendRedirect it work fine.

Ajax call response in struts. Response not reflected in jsp.

I am calling a struts action on using an ajax call. In it i am changing the values of some properties of the action class. The values are set properly but i am not able to reflect the changes in the jsp.

How to retain a selected value in dynamically generated dropdown box to the next jsp page?

I have a drop down box where the options are coming from the configured properties file.The options are generated on load of the page.I have used the following code.

How to send a Javascript variable to server side?

I must add items to an existing code, but I do not know all the patterns established. I need to retrieve a value from a numeric field in javascript, store it in a JSP tag variable and submit it to a Java method. I know javascript is client side and the server-side Java.