The RequestDispatcher.include(req, resp) is used to add a jsp to the servlet. Read More

Question : Can we write destroy() method in the init() method of a Servelt. if we can, what will happen? if we cant , why we cant?         Answers: we cannot write destroy() method in the init() method.... Read More

Question : Can we override the service method? if we can do that then why do we override only doGET() and doPost() methods if the servlet is of protocol specific?       Answers: Yes the servlets service method can be... Read More

A servlet that implements SingleThreadModel means that for every request, a single servlet instance is created. This is not a very scalable solution as most web servers handle multitudes of requests. A multi-threaded servlet means that one servlet is... Read More

GenericServlet is for servlets that might not use HTTP, like for instance FTP service.As of only Http is implemented completely in HttpServlet. The GenericServlet has a service() method that gets called when a client request is made. This means that... Read More

Both are interfaces. The servlet engine implements the ServletConfig interface in order to pass configuration information to a servlet. The server passes an object that implements the ServletConfig interface to the servlet's init() method. ... Read More

Session's invalidate method is used when the session will no longer exist or when for a particular client is leaving the session Eg:during the logout. sessiondestroyed is a method of HttpSessionListener ,and this is called when the session is... Read More

U can use request.getSession(false); method in HttpServletRequest interface.It returns the HttpSession associated with this request or null if the request has no valid session. Read More

Both apache struts and jakarta struts ar e one and the same.Struts was originally created by Craig McClanahan and donated to the Apache Foundation in May, 2000.However after gaining prominence in the J2EE community through its evolution as a Jakarta... Read More

ServletConfig is a servlet configuration object used by a servlet container used to pass information to a servlet during initialization. All of its initialization parameters can ONLY be set in deployment descriptor. The ServletContext object is... Read More

No it won't create a bottleneck as each request will be processed in separate thread. If would have created bottleneck it create separate instance for each request. We just have to make sure that we are not using any instance variable in... Read More

SingleTon class : is a special class which provides only one instance. Ex:Container Developers are using this class. Code is like this: //This is Single ton class public class SingleTon { private static SingleTon ton = null; public static... Read More

Action.saveErrors(session, null); Read More

Web server serves pages for viewing the web browser( i.e HTML, JSP,ASP etc.)using http protocol. While application server handles business logic,such as transaction processing,messaging ,resource pooling, security and messaging etc.Both are... Read More

The only way to know for sure is to set a cookie on a response, and see if it comes back on the following request. You have absolutely no clue from looking just at the current request. Just as an example, I run Netscape 6, configured to warn me... Read More

Initialization of servlet by server on startup prior to getting the request for that servlet is know as preintialization.It is really accomplished by specifying the postive value in load-on-startup tag in the web.xml. Read More

We can Refresh Servlet Page by two ways..one through client side and another through server side. Through Client Side : We use Meta http refresh < META HTTP-EQUIV="Refresh" CONTENT="5; URL=/servlet/MyServlet/"> Through Server Side :... Read More

Container creates instance of servlet by calling Class. forName(className).newInstance(). Read More

We can use forward and include of requset dispatcher and the arguments would be request and response for these methods Read More

Servlet : it is a webcomponet which will handle the request as well as it will give the response in particular display format.i.e it will perform developers tasks and designer's tasks. JSP: : it is purely for display purpose.it wil internally... Read More

You may use encoding technology in servlet Read More

CGI creates a new process for each request,Whereas Servlet creates a thread for each request and services the request in that thread. 2.For each process created by CGI,the process is assinged seperate address space.SO there is memory overload on the... Read More

yes i think we canuse some variable is session for accessing it in applicarion by making session attribute of application level; i.e session="application" Read More

In GET your entire form submission can be encapsulated in one URL, like a hyperlink. query length is limited to 260 characters, not secure, faster, quick and easy. In POST Your name/value pairs inside the body of the HTTP request, which makes for... Read More

Typically, a servlet class is instantiated the first time it is invoked. The same instance will be used over several client requests, so all members that are declared in that servlet are shared accross clients. That is what is meant by multi... Read More

The original reason for init() was that ancient versions of Java couldn?t dynamically invoke constructors with arguments, so there was no way to give the constructur a ServletConfig. That no longer applies, but servlet containers still will only call... Read More

servlet program is compiled by java compiler Read More

The session is an object used by a servlet to track a user's interaction with a Web application across multiple HTTP requests. Read More

It will be clear if know the peer technology. If the technology is CGI , it create a process for each client request but servlet technology just creates a thread. Read More

The deployment descriptor is not confined to servlets. It belongs to the application. The deployment descriptor basically tell the container where to look out for the resources, which patterns to follow, how are the resources mapped etc Read More

When you invoke a forward request, the request is sent to another resource on the server, without the client being informed that a different resource is going to process the request. This process occurs completely with in the web container. When a... Read More

To build struts in Java, we need the struts taglib. They provide many of the inbuilt tags that provide the many activities like loop,tiles(to beautify the page) etc. For this the struts. jar file has to be in the classpath. Any jsp engine will... Read More

Pure servlet means we create any java objets that is implemented from javax.servler.Servlet interface. Read More

Using forward(request,response) u are forwarding the current to page to another page so that the response will results in forwarded page Using include(request,response) u are including one page result to the current page so that the response... Read More

Certainly , we can have a constructor in servlet class, but only default constructor. We can not have parametrized constructor in servlet, because the servlet gets instantiated by the container dynamically, and java does not allow to call... Read More

Just use the following code in jsp // instance variable declaration // incrementing the counter when ever jsp clicked then print the counter value where ever you required Read More

The central abstraction in the Servlet API is the Servlet interface. All servlets implement this interface, either directly or, more commonly, by extending a class that implements it such as HttpServlet. Servlets-->Generic Servlet-->... Read More

Servletcontext is used to obtain application level information and only one servletcontext can be present in one application. ServletConfig object is present for every servlet and it provides initialization parameters for every servlet. Read More

Can we do one thing,that for all those 15 links(call them action)we can have different action ids,now on click of those links we will submit a unique action id related to that particular action and in servlet controller we will make different switch... Read More

No we can't write business methods inside a servlet..only we can write BL inside service() ..if u write bus methods inside a servlet, client can not call because GenericServlet or HS doesn't implements Remote interface..So u can't call... Read More

The getRequestDispatcher(String path) method of javax.servlet.ServletRequest interface accepts parameter the path to the resource to be included or forwarded to, which can be relative to the request of the calling servlet. If the path begins with a "... Read More

Yes ,single thread module Read More

Simply have doGet call doPost, or vice versa. u can call doGet Method in doPost method and vice versa i.e public void doGet(HttpServletRequest req,HttpServletResponse resp) throws ServetException,IOException { doPost(req,resp); } public... Read More

Servlet Config as the name suggests, provides Servlet specific configuration information to a particular servlet. For Example :- the information that u specify in the web.xml file like this ... Read More

The straight forward answer is no. If they are on two different servers (i.e. machines) then the answer is obviously no. If the two app servers are running on the same machine, they each fire up their own environment to handle requests which will be... Read More

Each servlet has the same life cycle: A server loads and initializes the servlet (init()) The servlet handles zero or more client requests (service()) The server removes the servlet ( destroy()) (some servers do this step only when they shut... Read More

Servlets are to servers. Applets are to browsers. Unlike applets, however, servlets have no graphical user interface. Read More

Well the service method tries to determine which of the doXXX method needs to be called.Appropriately either doGet, doPost, doDelete, doPut etc etc are called, Read More

Use can store variables in session, but u can store it in object form only.if it is primitive type u can use wrapper classes to convert it into object. session.setAttribute("test","xyzp"); String str=(String)session.getAttribute("test"); ... Read More

Connect both application with same data base 1. 2. update the data close the connection 3 call the II app to Read More

Session is an object of method maintaining state which is act of preserving the information from one page to another page. we can manage sessions in two ways using cookies using URL rewriting Read More

A filter is a reusable piece of code that can transform the content of HTTP requests,responses, and header information. Filters do not generally create a response or respond to a request as servlets do, rather they modify or adapt the requests for... Read More

The string tokenizer class allows an application to break a string into tokens. The token value or delimiter can be specified as an argument in the constructor. Default value of the delimiter is space. This is a legacy class whose use in not... Read More

Programatically invalidate the session by calling the method session.invalidate() Read More

All the action classes the design pattern used is the Command Design Pattern. Read More

A servlet can handle multiple requests concurrently, and can synchronize requests. This allows servlets to support systems such as on-line conferencing. Servlets can forward requests to other servers and servlets. Thus servlets can be used to balance... Read More

Yes. Because your JSP is just a servlet method, you can just put (whereever necessary) a < % return; % > Read More

ServeltRequest: which encapsulates the communication from the client to the server. ServletResponse: which encapsulates the communication from the servlet back to the client. ServletRequest and ServletResponse are interfaces defined by the javax... Read More

When you invoke a forward request, the request is sent to another resource on the server, without the client being informed that a different resource is going to process the request. This process occurs completly with in the web container. When a... Read More

Object is the super class for Action and ActionForm. Action is a class and ActionForm is an abstract class. Read More

The findByPrimaryKey() method works like the read() method, except that the findByPrimaryKey() method retrieves a single TxObject directly from the database using a primary key without going through a TxCursor. The primary key can be any primary key.... Read More

Loaded(by the container for first request or on start up if config file suggests load-on-startup), initialized( using init()), service(service() or doGet() or doPost()..), destroy(destroy()) and unloaded. Read More

We can give relative URL when we use ServletRequest and not while using ServletContext. Read More

Connection pool is an env provided in app server that keeps connections objects ready(db connections) before actually being requested by the clients. we can mention the size of this in vendor specific deployment descriptor using max pool size and... Read More

Question : How can a servlet automatically updated by its data without refreshing? take one example of one sensex site. the corresponding data are shown in a scrolling manner. how they can automatically be refreshed after some time. without... Read More

Servlets must implement the interface javax.servlet.Servlet. There are two main types of servlets: Generic servlets extend javax.servlet.GenericServlet. Generic servlets are protocol independent, meaning that they contain no inherent support... Read More

Platform and Server IndependenceJSP technology adheres to the Write Once, Run AnywhereTM philosophy of the JavaTM architecture. Instead of being tied to a single platform or vendor, JSP technology can run on any Web server and is supported by a... Read More

Yes both servlet is used to create a static and dynamic webpage,it also create a static webpage using serverside include it is .shtml extension,and so servlet is flexible character. Read More

An HTTP Servlet handles client requests through its service method. The service method supports standard HTTP client requests by dispatching each request to a method designed to handle that request. Read More

A Framework is a skeleton of code used for developing an application with ease.It could have used several design patterns to implement the skeleton upon which we generally build applications.Eg. Struts Framework uses MVC2 architecture, various design... Read More

Its a good design practice to implement the business logic in static methods.1. static method access is faster, you don't have to create, initialize the instance. 2. you perform some action/manipulaton on the input data and return the result, so... Read More

Question : I have linux OS.I installed Tomcat 4. in Linux. Now, i have to deploy My web application into that using WAR file. Please tell me steps....and also steps for the creating the WAR file too. Answers: You should... Read More

The above comments are not the solution for this question... The question is "servlets/jsps from various web applications want to access shared data". Servlets/jsps from various web applications... If you put any thing in servlet context. It will... Read More

Yes , I think all u r knowing about the Macromedia latest technology "Flex" , It can be Integrated with almost all servers , So Try It !!!!!!!! It's really Rocking Read More

The servlet container is a part of a Web server or application server that provides the network services over which requests and responses are sent, decodes MIME-based requests, and formats MIME-based responses. A servlet container also contains and... Read More

Servlets using Http protocol support Http methods which includes GET, HEAD, POST, etc. Request and response data are always provided in an MIME format. Data type is specified by the servlet and data is also written in that format which gives... Read More

Servlets cannot be trusted they have information about the clients. They have access to HTTP specific authentication data and peer identities can be determined. Strong security policy support is present in Java servlets. Access to network files and... Read More

The destroy method is not called as it is considered unsuccessful initialization. During initialization, the servlet instance can throw an UnavailableException or a ServletException. In this case, the servlet must not be placed into active service... Read More

You can get a RequestDispatcher object from either a request or the web context; however, the two methods have slightly different behavior. The method takes the path to the requested resource as an argument. A request can take a relative path (that... Read More

Bean components are the data transfer objects betwen Servletsand JSPs which are goign to travel and hence they have to be serialized. Connection object is just to make a physical connection to the database specified and no need to serialize hence... Read More

We know that by default servlet is multithreaded, for every client request a new thread will be created and assigned to that to perform the service. so if one thread initiates destroy() only itself will be terminated but other threads not terminates.... Read More

According to Servlet Specifications one can add following lines in web.xml. <servlet-config> </servlet-config> Read More

Only once for servlet initialization. Read More

Mainly we are talking about servlets life cycle.Here first init() ->service() ->wthin servlets we use these method accordingly. ->destry(). Read More

When a request for a servlet is made the container will check for the servlet instance 1. If an instance of the servlet does not exist, the web container 1. Loads the servlet class. 2. Creates an instance of the servlet class. 3. Initializes the... Read More

Servlet context is an object which is created as soon as the Servlet gets initialized.Servlet context object is contained in Servlet Config. With the context object u can get access to specific resource (like file) in the server and pass it as a... Read More

The RequestProcessor Class is the actual place where the request processing takes place in a Struts controller environment.When the request object first reaches the actionservlet class then it invokes the process method of the underlying... Read More

In action mapping we specify action class for particular url ie path and diffrent target view ie forwards on to which request response will be forwarded. We also specify to which page control should go if there is validation error for ex input... Read More

If you are using request scope the ActionForm is available only until the end of the request/response cycle.one the response has been returned to the client the actionform and the data within it are no langer accessible.if u want to keep the form... Read More

Servlets are modules that extend request/response-oriented servers, such as Java-enabled web servers. For example, a servlet may be responsible for taking data in an HTML order-entry form and applying the business logic used to update a company'... Read More

In servlet,java will be used to generate dynamic HTML pages,but in JSP,java will be reduced and we can use our custom tags to generate HTML pages. Read More

It Allows the servlet to set the content length and MIME type of the reply. Provides an output stream, ServletOutputStream and a Writer through which the servlet can send the reply data. Read More

MVC1, is architecture which does not include struts frame work in it, whereas in case of MVC2 it includes struts frame work.MVC1 is called model1 and MVC2 is called model2. Read More

Although the SingleThreadModel technique is easy to use, and works well for low volume sites, it does not scale well. If you anticipate your users to increase in the future, you may be better off implementing explicit synchronization for your... Read More

Struts follows MVC architecture and has many design patterns which it uses inside(ex Frontcontroller,Value Objects).First it maps incoming path with path attribute of ActionMapping in struts-config. xml file and finds appropriate Action class for... Read More

EJBs have totally different purpose than Servlets/Struts. EJBs are used for business components which require some basic set of features like transaction/persistance etc. and EJBs are hosted in Application servers.Serlvets are used for handling HTTP... Read More

A GET request is a request to get a resource from the server. Choosing GET as the "method" will append all of the data to the URL and it will show up in the URL bar of your browser. The amount of information you can send back using a GET is... Read More

Information such as the names of the parameters passed in by the client, the protocol (scheme) being used by the client, and the names of the remote host that made the request and the server that received it. The input stream, ServletInputStream... Read More

Yes, you can invoke the JSP error page and pass the exception object to it from within a servlet. The trick is to create a request dispatcher for the JSP error page, and pass the exception object as a javax.servlet.jsp.jspException request... Read More

servlet is a technology implemented based on a different servers according to different protocals. servlets are used to implentent dynamic webapplications. Read More

Servlets provide a way to generate dynamic documents that is both easier to write and faster to run. It is efficient, convenient, powerful, portable, secure and inexpensive. Servlets also address the problem of doing server-side programming with... Read More

The Class GenericServlet is the super class of all known servlets. This class is extended by other classes like HttpServlet. The GenericServlet class is protocol independent. Read More

Web server This is nothing but Program written in Java etc.Ex: Tomcat 5.0 The webserver is exactly running in the JVM.so,whataver the program is written for Tomcat is running in JVM and displaying. Read More

Question : I can do every thing using jsp itself,then what is the need of using servlet? in which situation ,we must use servlet with jsp?       Answers: We cann't implements interface in Jsp but it is in the... Read More

The servlet mapping defines an association between a URL pattern and a servlet. The mapping is used to map requests to servlets. Read More

setContentType() method must be set before transmitting the actual document. Read More

We can pass the controller from A to B servlet using request dispatcher. from B servlet we can make use of another request dispatcher to pass the controller to the Jsp page. Read More

Because servlets are platform-independent Java classes that are compiled to platform-neutral byte code that can be loaded dynamically into and run by a Java technology-enabled Web server. Read More

The servlet container determines which servlet to invoke based on the configuration of its servlets, and calls it with objects representing the request and response. Read More

During initialization or service of a request, the servlet instance can throw an UnavailableException or a ServletException. Read More

All major browsers ignore it even though the HTML 3.2 and 4.0 specifications require it. But building a DOCTYPE line tells HTML validators which version of HTML you are using so they know which specification to check your document against. These... Read More

A Java servlet can be thought as an Applet but this runs on the server without the front side. This is used in applications where there is need for functionality of the web server and it is also used to access the existing business applications. It... Read More

1.boolean hasFoo = !(request.getParameter("foo") == null || request.getParameter("foo").equals("")); 2. boolean hasParameter = request.getParameterMap().contains(theParameter); (which works in Servlet 2.3+) Read More

Java servlet is used for many purposes. Being platform and server independent it is used for wide variety of purposes. They can provide secured access to web based data. Type safety and RAD based features help in productivity. It can be used to... Read More

You'll want to use HttpURLConnection.setRequestProperty and set all the appropriate headers to HTTP authorization. Read More

These are the following services which can be obtained by using Java servlets they are: - ? Multi user services can be provided by organization using Java servlets to their clients. ? They can also serve static web pages by making use of HTTP/ (s... Read More

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 arguments, so... Read More

Servlets are programmed in Java and the user need not be in the same language to access or implement the features of Servlets. They are used in middle tier which provides them a flexibility to be clients for other applications and the client who is... Read More

Load balancing is possible with the use of servlets. A servlet can forward requests to other servers which can drastically reduce load. This technique can reduce load by mirroring the same content among several servers. A single logical service can... Read More

Request and Response parameters are provided with the service methods. These parameters implement encapsulation; they also give access to parameters which allows them to report errors and status reports. Contrarily servlets retrieve parameters... Read More

Servlets can be used in many different modes they are: - 1) Filter chains can be used to chain servlets together. 2) They can be used to support HTTP protocols. 3) They are the best replacement for CGI based applications 4) Dynamic generation of... Read More

The servlet context is an object that contains a servlet's view of the Web application within which the servlet is running. Using the context, a servlet can log events, obtain URL references to resources, and set and store attributes that... Read More

The different ways in which a servlet can be loaded are as follows: - 1) Dynamic loading of servlet is always possible. 2) Servers do provide an administrative option through which force loading and initialization is possible. 3) Servlets can also... Read More

Servlet container supports servlet execution. Basic functionality of a web server and IDE of Java can be used for better performance. Specific URL`s can be translated into servlet requests. Individual servlets get them selves registered with the... Read More

An instance of servlet is created when the servlet is loaded for the first time in the container. Init() method is used to configure this servlet instance. This method is called only once in the life time of a servlet, hence it makes sense to write... Read More

Container writes a no argument constructor for our servlet. Read More

Since ServletRequest has the current request path to evaluae the relative path while ServletContext does not. Read More

Creation of a new process for each and every request can be avoided and this is deemed to be the biggest performance feature of servlets. Servlets run in parallel and in hand with the same process in the server. It provides greater flexibility and... Read More

Java servlets give greater performance for leveraging Java and related internet technologies. Throughput and response time can be improved by using Java servlets. With help from JVM Java servlet programs take advantage of additional processors... Read More

Servlets with precoded logic process data and they return reports in an appropriate format. Some of the examples of such formats are historical graphs and tables, web data, automated forecasts, etc. Administrative data such as addition, deletion of... Read More

There are two kinds of servlets used by collecting sites they are used to push and pull data. One kind of servlet is used to push data to the collecting site and the other is used to pull data from the appropriate format. These formats can be clubbed... Read More

There are various different iinput parameters which servlets accept they are 1) Request or an input stream from an applet or so. 2) Request of the URL 3) From different servlets or networks. 4) Parameters passed from an HTML form. Read More

Difference between Service() method and doget() method,, if Request will come then Servlet Container take the request and call to by default service( )method if there doget() or dopost() method available,, In any situation service method call... Read More

To call the service method of the another servlet from other servlet 1)if both servlets are part of the same web application user ServletContext application=config.getServletContext(); RequestDispatcher rd=application.getRequestDispatcher(... Read More

Both are are advantageous..Both are having some differences..That are You can send only 256 characters data via GET() method.But these Datas are appear on the URL. So it is not a secure one. If u want to send a bulk of data, Definitely u should use... Read More

If you have the better answer, then send it to us. We will display your answer after the approval. Read More

Threre are two types of References available in Java. 1.Interface references. 2.Class references. Interface references:The interface references are used to implement runtime polymorphism. These references can be used to defer the... Read More

we can create a temparory servlet which can destroy after every resuest fulfillment,i just forgeted the method to write it.there is no way to distroy the servlet. Read More

The example code may help you out. Vector v = getDataVector(); //getDataVector() may be some method where you will put all your objects into vector. int size = v.size(); for(int i = 0 ; i<size ; i++){ Object obj = v.elementAt(i); ... Read More

Disadvantage of SSI There is one down side of Server-Side Includes. They are very processor intensive. If you don't have a high-powered computer running your web server and you expect to have a lot of traffic, you might want to limit the number... Read More

Question : What is session tracking ? state the uses of GET and POST request to handle Http request ? Answers: Session tracking is done to maintain the state, as HTTP is an stateless protocol. Session tracking can be done in... Read More

You will need to set the appropriate HTTP header attributes to prevent the dynamic content output by the JSP page from being cached by the browser. Just execute the following scriptlet at the beginning of your JSP pages to prevent them from being... Read More

Actually the Http methods are Get, Post, Head, Put, Destroy etc.. These methods are called as Http Methods. The default method is Get. For Instance, If u pass the data from Form, by default it is passed via URL. Read More

Send redirect method is to send the control to a new page(URL) from the current working web page.this is done when the browser wants the user to send the control to another page when some event is performed. Read More

This can be done by using the getInitParameter(String name ) method of the ServletConfig interface. Here name is the init parameter name Read More

U can use getInitParameter(java.lang.String name) method of HttpServlet class to get the value of named parameter or getInitParameterNames() to get the names of the servlet's initialization parameters as an Enumeration of string objects. Read More

When we want to deal with the web application we use servlet context Read More

Session will be terminated depending upon the later updation means it depend upon the xml file and it will take 40 sec because after compiling it will update xml file into 40 sec Read More

In a session wee can store large amount of data as much as possible. Initially session is used to store information by the client while transaction is made. Read More

There are three directives are used in the jsp. one of them is page directive. and the page directive have 11 attributes, which is used to give the information about that page. the 11 attributes are following:- language, buffer, isThreadSafe,... Read More

The init() method of servlet can be overridden. Remember the init() method is overloaded in the GenericServlet class. But the difference lies in which init method are u calling.. if you override the init(ServletConfig config) method, then you will... Read More

When we are sure that we are going to send certain amount of bytes or characters upto 400 bytes , we can use GET. If it exceeds that limit we can go for POST. Any number of bytes can be sent over the net as name and value pair and bundled with HTTP. ... Read More

Basically super.init() method should be used whenever u are overriding the init method....else i dont think there is any necessity..... Read More

Servlet is the server side component and the applet is the client side component.applet makes the request to the servlet and servlet is the server which responed that request Read More

There is one ServletConfig object per servlet. So if there are 10 servlets in an application, there would be 10 ServletConfig objects. And there is only one ServletContext object per aplication. Read More

For Instatiating a class we are using constructors. But in servlet init() method itself acts as constructor,here initialisation of servlet will takes place Read More

Servlets 3 methods we are getting . But we see only -jspService() Read More

Servlet is controller and jsp is of more a view so when the project needs more on view oart we can add JSP other wise both can do the sane thing but in larger projects the servlet code becomes cluttred Read More

ServletContext context = getServletContext(); // set the Sttribute for this context context.setAttribute("name","veeru"); //get the context in another servlet/resorce by context.getAttibute("name"); Read More

Vectot is a legacy class and its synchronized, which means whatever operations performed on Vector is synchronized Read More

When you increase the buffer size in jsp using the buffer tag then it means that you are increasing the data holding capacity of the buffer. When you access the jsp(incresed buffer size) then the user will observe that the page is loaded with data... Read More

Two ways: 1. Forward or redirect from one Servlet to another. 2. Load the Servlet from ServletContext and access methods. Read More

Use URLConnection class and call URLConnect. openConnection & URLConnection.connect method Read More

An interface that describes the configuration parameters for a servlet. This is passed to the servlet when the web server calls its init() method. Note that the servlet should save the reference to the ServletConfig object, and define a... Read More

Destroy() is a servlet life-cycle method called by servlet container to kill the instance of the servlet. The answer to your question is "Yes". You can call destroy() from within the service(). It will do whatever logic you have in destroy() ... Read More

There is no specific reason for that, using JSP we can create presenatation part easily & effectively there r no complication like in Servlet...& JSP is also converted to servlet at last so no probs.... hope answer is usefullNitin Read More

An ActionMapping represents the information that the controller, RequestProcessor, knows about the mapping of a particular request to an instance of a particular Action class. The instance of ActionMapping is used to select a particular Action is... Read More

Question : type="com.test.LoginForm"/> path="/login" type="com.test.user.login.LoginAction" name="loginForm" validate="false"> Question: Assuming the class LoginForm contains a String property named " ... Read More

As per my understanding, both perform() and execute() is the same method with different names. The prior version of struts supported "validate() and Perform()" for your action class whereas the present versions supprots "validate() and Execute()" for... Read More

We can make Action class with out form class and DAO class as well provided no form property is being used in action. cpublic class A extendes Action{ public ActionForward execute(.......){ // no actionform required unless you want to... Read More

Jakarta is a sub project of Apache. Struts used to be a Jakarta sub project. Struts is now a Apache top level project. To answer the question Jakarta Struts and Apache Struts are the same. Read More

No, because we donot use both , because the struts does not support both togther otherwise browser incomptable problem come arise Read More

As far as my knowledge and experience is concern there is no way to have default method for all the Action Mappings. But what i can suggest you is try to define one interface with the default method declaration and implement in all the Action Forms... Read More

Question : Whats meant by struts?how to use struts in IBM websphere appli. ? and how to managed with struts?(plz answer simply just an intro. don't go very deep) Read More

We can access dynaform bean information in action class after that calls ejb entity beans in execute method .use that entity beans and pass the information of form beans in create or findByprimarykey methods after use if u require. Read More