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What is Action Class
What is Action Class? The Action Class is part of the Model and is a wrapper around the business logic. The purpose of Action Class is to translate the HttpServletRequest to the business logic. To use the Action, we need to Subclass and overwrite the execute() method. In the Action Class all the dat... 2007-12-17, 5799👍, 0💬

How you will make available any Message Resources Definitions file to the Struts Framework Environment
How you will make available any Message Resources Definitions file to the Struts Framework Environment? Message Resources Definitions file are simple .properties files and these files contains the messages that can be used in the struts project. Message Resources Definitions files can be added to th... 2007-12-14, 6207👍, 0💬

What is ActionServlet
What is ActionServlet? The class org.apache.struts.action.Actio nServletis called the ActionServlet. In the the Jakarta Struts Framework, this class plays the role of controller. All the requests to the server goes through the controller. Controller is responsible for handling all the requests. 2007-12-12, 6013👍, 0💬

What is Jakarta Struts Framework
What is Jakarta Struts Framework? Jakarta Struts is open source implementation of MVC (Model-View-Controller) pattern for the development of web based applications. Jakarta Struts is robust architecture and can be used for the development of application of any size. Struts framework makes it much ea... 2007-12-10, 5731👍, 0💬

Is Struts efficient
Is Struts efficient? Yes. The Struts is not only thread-safe but thread-dependent (instantiates each Action once and allows other requests to be threaded through the original object. ActionForm beans minimize subclass code and shorten subclass hierarchies. The Struts tag libraries provide general-pu... 2007-12-07, 5674👍, 0💬

What helpers in the form of JSP pages are provided in Struts framework
What helpers in the form of JSP pages are provided in Struts framework? There are 4 major JSTLs (JSP Standard Tag Libraries) provided in Struts as JSP helpers. Those tag libraries are described in TLD (Tag Library Descriptor) files: struts-html.tld - Tags to help generating HTML elements. struts-for... 2007-12-05, 6066👍, 0💬

What configuration files are used in Struts
What configuration files are used in Struts? There are main configuration files used in Struts to bridge the gap between the Controller and the Model: ApplicationResources.propertie sstruts-config.xml 2007-12-03, 6010👍, 0💬

How Struts control data flow
How Struts control data flow? Struts implements the MVC/Layers pattern through the use of ActionForwards and ActionMappings to keep control-flow decisions out of presentation layer. 2007-11-30, 6132👍, 0💬

What is the design role played by Struts
What is the design role played by Struts? The role played by Structs is controller in Model/View/Controller(MVC) style. The View is played by JSP and Model is played by JDBC or generic data source classes. The Struts controller is a set of programmable components that allow developers to define exac... 2007-11-30, 6152👍, 0💬

What are the core classes of Struts
What are the core classes of Struts? Action, ActionForm, ActionServlet, ActionMapping, ActionForward are basic classes of Structs. An Action class in the struts application extends Struts 'org.apache.struts.action.Acti on"Class. Action class acts as wrapper around the business logic and provides an ... 2007-11-29, 6165👍, 0💬

Do we need to pay the Struts if being used in commercial purpose
Do we need to pay the Struts if being used in commercial purpose? No. Struts is available for commercial use at no charge under the Apache Software License. You can also integrate the Struts components into your own framework just as if they were writtern in house without any red tape, fees, or othe... 2007-11-29, 6106👍, 0💬

Why it called Struts?
Why it called Struts Because the designers want to remind us of the invisible underpinnings that hold up our houses, buildings, bridges, and ourselves when we are on stilts. This excellent description of Struts reflect the role the Struts plays in developing web applications. 2007-11-28, 5303👍, 0💬

Who makes the Strut
Who makes the Strut? Struts is developed by by the Apache Software Foundation(ASF) as part of its Jakarta project, like Tomcat, Ant and Velocity. See Website http://struts.apache.org/. 2007-11-28, 5547👍, 0💬

How is the MVC design pattern used in Struts framework
How is the MVC design pattern used in Struts framework? In the MVS design pattern, there 3 components involved: Controller - Servlet controller which supplied by Struts itself. View - what you can see on the screen, a JSP page and presentation components. Model - System state and a business logic Ja... 2007-11-27, 7698👍, 0💬

What is Struts
What is Struts? Struts is a web page development framework and an open source software that helps developers building web applications quickly and easily. Struts combines Java Servlets, Java Server Pages, custom tags, and message resources into a unified framework. It is a cooperative, synergistic p... 2007-11-27, 5579👍, 0💬

How many ways can we express string in Perl
How many ways can we express string in Perl? Many. For example 'this is a string' can be expressed as: 'this is a string' "this is a string" qq/this is a string like double-quoted string/ qq^this is a string like double-quoted string^ q/this is a string/ q&this is a string&amp; q(this is a s... 2007-11-26, 6243👍, 0💬

Perl uses single or double quotes to surround a zero
Perl uses single or double quotes to surround a zero or more characters. Are the single(' ') or double quotes (" ") identical? They are not identical. There are several differences between using single quotes and double quotes for strings: The double-quoted string will perform variable interpolation... 2007-11-26, 5795👍, 0💬

Some nested data structure
Assume that $ref refers to a scalar, an array, a hash or to some nested data structure. Explain the following statements: $$ref; # returns the scalar pointed by $ref. $$ref[0]; # returns the first element of the array pointed by $ref. $ref-&gt;[0]; # returns the first element of the array pointe... 2007-11-21, 6408👍, 0💬

How to dereference a reference
How to dereference a reference? There are a number of ways to dereference a reference: Using two dollar signs to dereference a scalar like: $original = $$strref; Using @ sign to dereference an array like: @list = @$arrayref; Similar for hashes. 2007-11-21, 5927👍, 0💬

Does Perl have reference type?
Does Perl have reference type Yes. Perl can make a scalar or hash type reference by using backslash operator. For example: $str = "here we go"; # a scalar variable $strref = \$str; # a reference to a scalar @array = (1..10); # an array $arrayref = \@array; # a reference to an array Note that the ref... 2007-11-20, 5932👍, 0💬

What are scalar data and scalar variables
What are scalar data and scalar variables? Perl has a flexible concept of data types. Scalar means a single thing, like a number or string. So the Java concept of int, float, double and string equals to Perl\'s scalar in concept and the numbers and strings are exchangeable. Scalar variable is a Perl... 2007-11-20, 5360👍, 0💬

How to turn on Perl warnings? Why is that important
How to turn on Perl warnings? Why is that important? Perl is very forgiving of strange and sometimes wrong code, which can mean hours spent searching for bugs and weird results. Turning on warnings helps uncover common mistakes and strange places and save a lot of debugging time in the long run. The... 2007-11-19, 6027👍, 0💬

What is Perl one-liner
What is Perl one-liner? There are two ways a Perl script can be run: From a command line, called one-liner - That means you type and execute immediately on the command line. You'll need the -e option to start like "C:\ %gt perl -e "print \"Hello\";". One-liner doesn't mean one Perl statement. One-li... 2007-11-19, 6211👍, 0💬

Why do you use Perl
Why do you use Perl? Perl is a powerful free interpreter. Perl is portable, flexible and easy to learn. 2007-11-19, 6249👍, 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