"Web Application Essentials
•Describing Java Servlet Technology
•Describing JavaServer Pages Technology
•Understanting the Model-View-Controller (MVC) Architecture
•Explaining Java EE Containers and Java Application Servers
•Describing the Web Application Development Process
•Identifying the Essential Structure of a WAR File

Developing a Servlet
•Describing the HTTP Headers and Their Function
•Explaining the Request and Response Processes
•Understanding the Life Cycle of a Servlet
•Listing Injection and Lifecycle Method Annotations
•Understanding the Threading Model of a Servlet
•Developing a Servlet to Respond to Requests from the Client Browser

Handling Form Requests in Servlets
•Using HTML Forms To Collect Data From Users and Send it To a Servlet
•Understanding How Form Data Is Sent in an HTTP Request
•Developing a Servlet that Retrieves Form Parameters
•Understanding and Using HttpSession Objects
•Using Cookies for Session Management
•Using URL Rewriting for Session Management

Configuring Your Web Application
•Describing the Purpose of Deployment Descriptors
•Creating and Access Context and Init Parameters
•Using the @WebServlet and @WebInitParam Annotations
•Using the ServletContextListener Interface
•Describing the Different Scopes in a Web Application
•Handling Errors Using a Deployment Descriptor

Implementing an MVC Design
•Implementing the Controller Design Element Using a Servlet
•Implementing the Model Design Element Using a POJO
•Implementing the View Design Element Using a JSP and Expression Language (EL)
•Connecting the model, View, and Controller Elements to Implement a Working MVC Solution
•Injecting a Service in a Controller

Developing Components with JavaServer Pages Technology
•Describing JSP Page Technology
•Writing JSP Code Using Scripting Elements
•Writing JSP Code Using the Page Directive
•Writing JSP Code Using Standard Tags
•Writing JSP code using Expression Language
•Configuring the JSP Page Environment in the web.xml File
•Writing an Error Page by Using JSP

Developing JSP Pages by Using Custom Tags
•Designing JSP Pages with Custom Tag Libraries
•Using a Custom Tag Library in JSP Pages
•Describing JSTL Tags

Using Filters in Web Applications
•Describing the Web Container Request Cycle
•Describing the Filter API
•Developing a Filter Class
•Configuring a Filter in the web.xml File

More Servlet Features
•Using the Asynchronous Servlet Mechanism
•Using JavaScript to Send an HTTP Request from a Client
•Processing an HTTP Response Entirely in JavaScript
•Combining These Techniques to Create the Effect of Server-push
•Handling Multipart Form Data

Implementing Security
•Describing a Common Failure Mode in Security
•Requiring that a User Log in Before Accessing Specific Pages in Your Web Application
•Describing the Java EE Security Model
•Requiring SSL Encrypted Communication for Certain URLs or Servlets

Integrating Web Applications with Databases
•Understanding the Nature of the Model as a Macro-pattern
•Implementing Persistent Storage for Your Web Applications Using JDBC or Java Persistence API"