2. Saying hello to Struts 2

Question 1

What is declarative architecture?

Answer 1

Type of configuration that allows developers to describe their application architecture at a higher level than direct programmatic manipulation.

Involved defining Struts 2 components and linking them together or wiring them together to make workflow paths.

Question 2

What are the two ways you can configuring your application?

Answer 2

XML-Configuration

Annotated Java Files

Question 3

What is the anatomy of a URL in regards to mapping to a Struts 2 action namespace?

Answer 3

Protocol -> Hostname:Port Number -> Servlet context -> package namespace -> action name.action

Question 4

What’s the syntax for a standard JSP directive?

Answer 4

Question 5

How do you “enable” automatic scanning of annotations?

Answer 5

In your web.xml you would add an init param called actionPackages and give it the value of the package you want it to scan.

Question 6

How can you mark a class as an Action?

Answer 6

Either implement the Action interface, or by using naming convention where class name ends in Action.