Implicit Objects in JSP Pages

Q

What are the implicit objects in JSP pages?

✍: FYICENTER.com

A

Implicit objects are objects that are created by the web container and contain information related to a particular request, page, or application. They are:

request
response
pageContext
session
application
out
config
page
exception

2007-04-03, 4536👍, 0💬

JSP Tags vs. JavaBeans
What is difference between custom JSP tags and JavaBeans? Custom JSP tag is a tag you defined. You define how a tag, its attributes and its body are interpreted, and then group your tags into collections called tag libraries that can be used in any number of JSP files. To use custom JSP tags, you ne... 2007-04-03, 7425👍, 0💬

init() vs. Constructor
Can we use the constructor, instead of init(), to initialize servlet? Yes , of course you can use the constructor instead of init(). There's nothing to stop you. But you shouldn't. The original reason for init() was that ancient versions of Java couldn't dynamically invoke constructors with argument... 2007-04-03, 6683👍, 0💬

Server Push and Refresh
How can a servlet refresh automatically if some new data has entered the database? You can use a client-side Refresh or Server Push. 2007-04-03, 6363👍, 0💬

What is JSP
What is a JSP and what is it used for? Java Server Pages (JSP) is a platform independent presentation layer technology that comes with SUN's J2EE platform. JSPs are normal HTML pages with Java code pieces embedded in them. JSP pages are saved to *.jsp files. A JSP compiler is used in the background ... 2007-04-03, 5246👍, 0💬

What Is JSP Technology
What is JSP technology? Java Server Page is a standard Java extension that is defined on top of the servlet Extensions. The goal of JSP is the simplified creation and management of dynamic Web pages. JSPs are secure, platform-independent, and best of all, make use of Java as a server-side scripting ... 2007-04-03, 5141👍, 0💬

JSP Scripting Elements
How many JSP scripting elements and what are they? There are three scripting language elements: declarations scriptlets expressions 2007-04-03, 4896👍, 0💬

Is JSP Technology Extensible
Is JSP technology extensible? YES. JSP technology is extensible through the development of custom actions, or tags, which are encapsulated in tag libraries. 2007-04-03, 4842👍, 0💬

Using JSP Pages to Create Web-based Applications
Why are JSP pages the preferred API for creating a web-based client program? Because no plug-ins or security policy files are needed on the client systems(applet does). Also, JSP pages enable cleaner and more module application design because they provide a way to separate applications programming f... 2007-04-03, 4829👍, 0💬

What Is JSP Page
What is JSP page? A JSP page is a text-based document that contains two types of text: static template data, which can be expressed in any text-based format such as HTML, SVG, WML, and XML, and JSP elements, which construct dynamic content. 2007-04-03, 4816👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.