Term
What is <% ... %>, and what code can be put into it? |
|
Definition
It is a Scriplet, and any java code can be put into it. |
|
|
Term
What is <%! ... %>, and what does it do? |
|
Definition
It is a Declaration, and it creates an instance or static variables. |
|
|
Term
What is <%-- ... --%>, and what code can be put into it? |
|
Definition
It is a Comment for the server-side jsp. |
|
|
Term
What is <%= ... %>, and what code can be put into it? |
|
Definition
It is a Expression, and prints the statement to the screen. |
|
|
Term
What is <%@ ... %>, and what does it do? |
|
Definition
It is a Directive, and it retrieves page specific information (page, include, and taglib). |
|
|
Term
|
Definition
Servlets are java classes/programs that reside on the server side and extend HTTPServlet. |
|
|
Term
What are the rules of a Servlet. |
|
Definition
Extend HTTPServlet and override doGet & doPost. |
|
|
Term
What are the four major categories of markup tags? |
|
Definition
Directives, Scripting, Comments, and Actions. |
|
|
Term
Define Scripting elements, and how many Scripting elements does JSP provide? |
|
Definition
Scripting elements are used to embed programming instructions. There are three, Declartions, Scriplets, and Expressions. |
|
|
Term
What are the nine implicit objects in JSP
Hint: SEACRROPP |
|
Definition
Session, Exception, Application, Config, Request, Response, Out, Page, PageContext |
|
|
Term
What is the Generic Servlet? |
|
Definition
An abstract class that implements the Servlet interface, and provides implementation for all methods except the service() method.
Javax.servlet.GenericServlet |
|
|
Term
|
Definition
A HTTP capable servlet and is an abstract class that extends GenericServlet. It also provides support for the HTTP protocol.
Javax.servlet.http.HTTPServlet.
|
|
|
Term
What does the Scripting element Declaration do? |
|
Definition
It allows the developer to define variables and methods for a page.
<%! … %> or <jsp:declaration> |
|
|
Term
What does the Scripting element Scriptlets do? |
|
Definition
They are blocks of code to be executed each time the JSP page is processed for a request. <% …. %> |
|
|
Term
Which objects are related to a JSP Page's Servlet? |
|
Definition
Page: the page's servlet instance.
Config: servlet configuration data. |
|
|
Term
Which objects deal with page input and output? |
|
Definition
Request: request data including parameters.
Response: response data.
Out: output stream for page content. |
|
|
Term
Which objects provide information about context within a JSP page while it's being processed. |
|
Definition
Session: user specific session data.
Application: data shared by all application pages.
PageContext: context data for page execution. |
|
|
Term
Which objects result from errors? |
|
Definition
Exception: uncaught error exception.
|
|
|
Term
Define Standard Action tag. |
|
Definition
A standard action is a action that has been defined in the JSP Standard. Standard actions are associated with the namespace jsp and appear with a prefix jsp. |
|
|
Term
|
Definition
| Page's Servlet instance (represents the Servlet itself). |
|
|
Term
|
Definition
| Servlet configuration data. |
|
|
Term
| Define the request object. |
|
Definition
| Requests data including parameters. |
|
|
Term
|
Definition
| Output stream for page content. |
|
|
Term
| Define the session object. |
|
Definition
| User specific session data. |
|
|
Term
| Define the application object. |
|
Definition
| Data shared by all application pages. |
|
|
Term
| Define the pageContext object. |
|
Definition
| Context data for page execution. |
|
|
Term
| What implicit objects are available during the Application scope? |
|
Definition
|
|
Term
| What implicit objects are available to the Session scope? |
|
Definition
|
|
Term
| What implicit objects are available to the Request scope? |
|
Definition
|
|
Term
| What implicit objects are available to the Page scope?(Hint: 5) |
|
Definition
| Exception, Config, Out, Page, and PageContext. |
|
|
Term
| Define the Application scope. |
|
Definition
| Data that is available throughout the application. |
|
|
Term
| Define the Request scope. |
|
Definition
| Data that is available from one page to another, as long as it's forwarded. |
|
|
Term
| Define the Session scope. |
|
Definition
| Data that is time-limit defined and user-specific. |
|
|
Term
|
Definition
| Data that is only available on that page. |
|
|
Term
Explain the JSP Life Cycle.
(Translation, Compilation, Load, Instaniate,
Init(), Service(), Destroy() ) |
|
Definition
1. Translation - a java servlet file is made from the JSP source file.
2. Compilation - the jave servlet file is compiled into a java servlet class.
3. Loading - the java servlet class is loaded into a JSP container.
4. Intialize - the container manages one or more instances of the class in response to requests and other events.
5. init() - the jsp_init() method is called immediately after the instance was created (called only once during cycle).
6. service() - method is called for every request of this JSP during its life cycle.
7. destroy() - method is called when this JSP is destroyed. |
|
|
