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publish-and-subscribe and point-to-point
How many messaging models do JMS provide for and what are they? JMS provide for two messaging models, publish-and-subscribe and point-to-point queuing. 2007-04-03, 4783👍, 0💬

Finally Clause Execution
The code in a finally clause will never fail to execute, right? Not really. Using System.exit(1); in try block will not allow finally code to execute. 2007-04-03, 5050👍, 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, 6193👍, 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, 6387👍, 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, 4691👍, 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, 4659👍, 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, 4753👍, 0💬

Implicit Objects in JSP Pages
What are the implicit objects in JSP pages? 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, 4433👍, 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, 4661👍, 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, 4963👍, 0💬

Entering Comments in JSP Pages
What are the two kinds of comments in JSP and what's the difference between them? &lt;%-- JSP Comment --%&gt; &lt;!-- HTML Comment --&gt; HTML comments are visible on the client side. But JSP comments are not visible on the client side. 2007-04-03, 7436👍, 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, 7121👍, 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, 5063👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML