JSP

JSP Basics

100

Meaning of JSP

JavaServer Pages

200

Used to insert dynamic content into HTML.

JSP tags

300

Phase where the page is compiled into a servlet

Translation phase

400

How can i set a cookie

Cookie cookie = new Cookie("key", "value")

500

How can I set time to a cookie

cookie.setMaxAge(60*60*40)

Scripting Elements

100

Tags used for adding comments

<%-- comments -->

200

Name of this tag: <%= %>

Expression tag

300

Scripting element used to embed java code.

Scriptlets

400

Tags used to define methods and instance variables

<%! %>

500

Scripting element used to provide instructions to JSP engine

Directives

JSP Life Cycle

100

Name of the last phase of the Life Cycle

Cleanup

200

Step required to convert the JSP into servlet

Compilation

300

Method invoked in the initialization phase

jspInit()

400

Method invoked in the execution phase that takes an HttpServletRequest and anHttpServletResponse as its parameters.

_jspService()

500

Steps in compilation

Parsing JSP Turning JSP into servlet Compiling the servlet

RANDOM

100

<%=“Fred”+ “ “ + “Flintstone %>

"Fred Flintstone"

200

_____ GetCookies()... What does this function return?

Cookies[]

300

A Comment Test

Today's date: <%= (new java.util.Date()).toLocaleString()%>

"Today's date: 6-Nov-2015 ??:??:??"

400

How can i set a session attribute

session.setAttribute(visitCountKey, visitCount)

500

<%= if(Math.random() < 0.5) %> hello <%= } else { %> hi <%= } %>

Will not compile because they are JSP scriptlets and not expressions they should be enclosed by <% %>

Advantages

100

What technology cannot contain dynamic content?

static HTML

200

Technology only intended for simple inclusions

SSI

300

It is more convenient that what technology because you don't need to write print statements to generate the HTML?

Pure Servlets

400

It is better that what technology because it can generate dynamic content and also interact with the web server?

JavaScript

500

It has an advantage over which technology because code is written in java, which makes it easier and also it is more portable to other operating systems and non-microsoft Web Servers?

Active Server Pages (ASP)