MVC

Question 1

Model

Answer 1

Encapsulates app state (not logic)
Queried to obtain state
Notified by controller when state needs to change and notifies controlled once the state has changed

Question 2

Controller

Answer 2

Defines the application logic
Maps user actions to state changes
Updated app state via MODEL
Updates View once the app state has changed

Question 3

View

Answer 3

Presents the state of the app ( via web page or via RESTful API)
Allows user to interact with and modify the state
Does not store the app data (except for caching)

Question 4

Servlet

Answer 4

Java code that runs on a web server/app server and handles the HTTP requests

Question 5

JSP

Answer 5

A bridge between Servlets and HTML
Technology used to create dynamic web pages using servlets(similar to PHP)

Question 6

JSTL

Answer 6

Collection of usefull JSP tags for common tasks

Question 7

Blocking vs NonBlocking

Answer 7

MVC incorporates the Servlet API and it operates inside a servlet container –> are using blocking coponents
JDBC is blocking