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Freshers / Beginner level questions & answers

Ques 1. What is RichFaces?

RichFaces is a JSF component library that consists of two main parts: AJAX enabled JSF components and the CDK (Component Development Kit). RichFaces UI components are divided into two tag libraries a4j: and rich:. Both tag libraries offer out-of-the-box AJAX enabled JSF components. The CDK is a facility for creating, generating and testing you own rich JSF components.

A full set of AJAX enabled components in two libraries

a4j: page centric AJAX controls
rich: self contained, ready to use components

Client-side validation, expanding JSR 303 Bean Validation all the way to the browser.
Advanced queueing to match the high performance requirements of real world enterprise applications.
Push component upgrades including JavaMessaging Service (JMS) integrations, and various transport mechanisms based on browser support.
Our own Component Development Kit (CDK).
Comprehensive documentation covering development best practices, and component details.
Detailed and automated testing facilities for components, actions, listeners, and pages.
Broad cross-browser support
Large and active community at its foundation!!

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Ques 2. What are the basic configurations of web.xml for Rich Faces?

Configuration of web.xml while you are using RichFaces in your application:

<context-param>

<param-name>org.richfaces.CONTROL_SKINNING</param-name>

<param-value>enable</param-value>

</context-param>

<context-param>

<param-name>org.richfaces.LoadStyleStrategy</param-name>

<param-value>ALL</param-value>

</context-param>

<context-param>

<param-name>org.richfaces.LoadScriptStrategy</param-name>

<param-value>ALL</param-value>

</context-param>

<display-name>RichFaces Filter</display-name>

<filter-name>richfaces</filter-name>

<filter-class>org.ajax4jsf.Filter</filter-class>

<init-param>

<param-name>maxRequestSize</param-name>

<param-value>999999999</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>richfaces</filter-name>

<servlet-name>Faces Servlet</servlet-name>

<dispatcher>REQUEST</dispatcher>

<dispatcher>FORWARD</dispatcher>

<dispatcher>INCLUDE</dispatcher>

</filter-mapping>

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Ques 3. Give some examples of RichFaces Components.

Some components of RichFaces:

<rich:panel>

<rich:dataTable>

<rich:toolTip>

<rich:modalPanel>

<rich:separator>

<rich:spacer>

<rich:togglePanel>

<rich:tabPanel>

<rich:collapsiblePanel>

<rich:tooltip>

<rich:fileUpload>

<rich:calendar>

<rich:select>

<rich:tree>

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Ques 4. Give some examples of a4j components.

Some examples of a4j components:

<a4j:commandLink>
<a4j:commandButton>
<a4j:outputPanel>
<a4j:region>
<a4j:mediaOutput>
<a4j:queue>

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Ques 5. What is a4j:commandLink in RichFaces?

The a4j:commandLink combines the standard h:commandLink with our own a4j:ajax. This not only reduces typing, but also inherits all a4j:ajax special options.

<a4j:commandLink value="#{constants.Label_DateUploaded}" action="#{handler.tableHeaderListener}" ajaxSingle="true" reRender="claimDocTable" onclick="loadClaimDocs()" styleClass="tableHeaderTxt" oncomplete="completeClaimRender()">

<f:setPropertyActionListener target="#{handler.sortField}" value="#{constants.Label_DateUploaded}"/>

</a4j:commandLink>

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Ques 6. What is rich:tooltip in RichFaces?

The rich:tooltip component creates a small non-modal pop-up that can be used to display additional information for nearly anything on the page.

<rich:toolTip id="ttBtnUploadSelectedDoc" for="helpBtnUploadSelectedDocID" layout="block">

<h:outputLabel styleClass="tooltipSpan">Use this to upload the documents selected for upload and their document properties to the document repository.<p>Shortcut: CTRL+SHIFT+U</p></h:outputLabel>

</rich:toolTip>

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Intermediate / 1 to 5 years experienced level questions & answers

Ques 7. How to pass parameters to a4j:commandButton?

See the example to pass parameters to a4j command button:

<a4j:commandButton ajaxSingle="true" value="Update" reRender="name, job,

out" status="commonstatus">

<a4j:actionparam name="n" value="Mark Joe" assignTo="#{userBean.name}" />

<a4j:actionparam name="j" value="WithoutBook" assignTo="#{userBean.job}" />

</a4j:commandButton>

a4j:actionparam is the name by which you can get the value in your Handler/Bean.

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Ques 8. How to send and ajax request?

There are different ways to send Ajax requests from your JSF page. For example you can use <a4j:commandButton> , <a4j:commandLink> , <a4j:poll> or <a4j:support> tags or any other.

All these tags hide the usual JavaScript activities that are required for an XMHTTPRequest object building and an Ajax request sending. Also, they allow you to decide which components of your JSF page are to be re-rendered as a result of the Ajax response (you can list the IDs of these components in the "reRender" attribute).

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Ques 9. How to upload files in richfaces?

Using rich:fileUplaod.

rich:fileUpload is a component which provides files upload functionality and extends functionality of standard input with type=file.

We can have different characteristics with this component like: allowed file types, maximum files quantity, and immediate upload.

It supports immediate upload as soon as a file is selected with this component.

<rich:fileUpload id="fileUploadId"

autoclear="true"

uploadListClass="uploadList"

fileEntryClass="fileEntry"

allowFlash="auto"

styleClass="richFileUpload"

fileUploadListener="#{handler.documentUpload}"

maxFilesQuantity="#{constants.FILE_UPLOADLIMIT}"

required="true"

immediate="true"

listHeight="1px"

listWidth="71px"

onupload="onFileUploadClick();"

addControlLabel="#{constants.Label_Browse}"

immediateUpload="true"

noDuplicate="true"

onadd="addFileListener(event)">

<a4j:support event="onuploadcomplete" immediate="true" reRender="hiddenVal,docTableId,uploadErrorGrid,docSelectedMsgID,exceptionMessageGrid"/>

</rich:fileUpload>

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Ques 10. What is a4j:param in RichFaces?

The a4j:param component extends the regular f:param tag. The primary extension is the ability to assign a value to a property on a managed bean directly using the assignTo attribute. Using this feature you can update model values without invoking a single line code.

<a4j:commandButton value="Update Name" render="rep">
    <a4j:param value="WithoutBook" assignTo="#{bean.name}" />
</a4j:commandButton>

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Ques 11. What is a4j:status in RichFaces?

The a4j:status component is an indicator of an Ajax request. It has two states: start and stop. The start state indicates that an Ajax request is in progress. When an Ajax Response is returned, the component switches to the stop state. Give a loading progress on a ajax call:

<rich:modalPanel id="statusModalPanelId" autosized="true" resizeable="false">

<h:graphicImage value="/views/images/loading.gif"/>

<a4j:status id="statusId" onstop="Richfaces.hideModalPanel('statusModalPanelId');">

<f:facet name="start"></f:facet>

</a4j:status>

</rich:modalPanel>

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Ques 12. What is rich:messages in RichFaces?

rich:messages is an extension for a standard h:messages component. In addition to what the standard component provides, rich:messages:

<rich:messages ajaxRendered="true" />

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Ques 13. What is rich:dataGrid in RichFaces?

The rich:dataGrid component accepts the same data sources as other iteration components and renders them in a grid format, the same way as the h:PanelGrid component does for in-line data. To define the grid's properties and styles, use the same definitions as for the h:panelGrid component.

<rich:dataGrid value="#{bean.allEmployees}" var="emp" columns="3" elements="9" width="600px" border="0">
      <rich:panel bodyClass="pbody">
      	  <f:facet name="header">
               <h:outputText value="#{emp.name} #{emp.code}"></h:outputText>
          </f:facet>
          <h:panelGrid columns="2">
               <h:outputText value="Salary:" styleClass="label"></h:outputText>
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Ques 14. What is rich:calendar in RichFaces?The rich:calendar component allows you to select a date using a monthly calendar widget. It is possible to use the component in a popup or inline mode. In popup mode the calendar is initially rendered as an input for date with a button on the right side to trigger the popup. For inline mode, the monthly calendar is rendered on the page initially.

<rich:calendar value="#{calendarBean.dateSelected}" id="calendar" locale="#{calendarBean.locale}" popup="#{calendarBean.popup}" datePattern="#{calendarBean.pattern}" showApplyButton="#{calendarBean.showApply}" cellWidth="24px" cellHeight="22px" style="width:200px" disabled="#{calendarBean.disabled}">
</rich:calendar>
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Experienced / Expert level questions & answersQues 15. What is <a4j:support> tag?Sends an AJAX request based on a DHTML event supported by the parent component.  In this example, the AJAX request will  be triggered after the user types a character in the text box:
<h:inputText value="#{document.docOrigtor}" id="docClaimOrigId" binding="#{handler.docOrig}">
  <a4j:support actionListener="#{handler.createDocumentName}" event="onkeyup" reRender="docId"/>
</h:inputText>
Here, on keyup event it will call handler.createDocumentName method with ajax call and rendering docId value.
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Ques 16. How to control traffic in RichFaces?
Controlling traffic can be done using Queues mechanism.
Queues can be defined using <a4j:queue�../>
3 types of queues are there: Named, Unnamed, and Global queue.
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Ques 17. How to keep a managed bean between requests? The bean class should be implemented by Serializable.
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Ques 18. How to different skins are runtime?
We can define an applications skin with EL expression like this:
Deine a session scoped skinBean and manage its currentSkin  property at runtime with your skin names values.  Every time a page is rendered, RichFaces will resolve the value in #{skinBean.currentSkin} to get the current skin.  Changing Skins should not be done via AJAX but with a full page refresh. A full page refresh will ensure that all CSS links are correctly updated based on the new skin.
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Ques 19. Tell me about a4j:outputPanel and ajaxRendered?"ajaxRendered"  attribute of the  <a4j:outputPanel>  set to "true" allows to define the area of the page that will be re-rendered even if it is not pointed in the reRender attribute explicitly. It might be useful if you have an area on a page that should be updated as a response on any Ajax request.
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Ques 20. What is limitToList attribute?
"limitToList"  attribute allows to dismiss the behavior of the  <a4j:outputPanel>   "ajaxRendered" attribute.
limitToList = "true" means to update only the area(s) that mentioned in the "reRender"  attribute explicitly. All output panels with ajaxRendered="true" is ignored.
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Ques 21. What is the use of eventsQueue?
Attribute "eventsQueue" defines the name of the queue that will be used to order upcoming Ajax requests. By default, RichFaces does not queue Ajax requests. If events are produced simultaneously, they will come to the server simultaneously. JSF implementations (especially, the very first ones) does not guaranty that the request that comes first will be served or passed into the JSF lifecycle first. The order how the server-side data will be modified in case of simultaneous request might be unpredictable. Usage of eventsQueue attribute allows to avoid possible mess.
The next request posted in the same queue will wait until the previos one is not processed and Ajax Response is returned back if the  "eventsQueue"  attribute is defined.
In addition, RichFaces starts to remove from the queue "similar" requests. "Similar'"requests are the requests produced by the same event.
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Ques 22. How to handle request errors and session expire on client side?
Given an example below:
A4J.AJAX.onError = function(req, status, message){
    window.alert("Custom onError handler "+message);
}
A4J.AJAX.onExpired = function(loc, expiredMsg){
if(window.confirm("Custom onExpired handler "+expiredMsg+" for a location: "+loc)){
      return loc;
    } else {
     return false;
    }
}
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Ques 23. What is a4j:ajax?a4j:ajax is one of our core behaviors, extending the base JSF 2.0 f:ajax tag. This tag triggers an Ajax request when the specified parent event is triggered.
<h:inputText value="#{userBean.name}">
    <a4j:ajax event="keyup" render="out" />
</h:inputText>
<h:outputText value="#{userBean.name}" id="out" />
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Ques 24. What is a4j:actionListener in RichFaces?
Use a4j:actionListener to register an ActionListener class on a parent action component. Multiple listener methods can be registered on an action components in this way.
The a4j:actionListener tag differs from the standard JSF tag in that it allows the listener to be attached in any of three ways:
By listener method, using the listener attribute.
By listener class, using the type attribute.
By object binding, using the binding attribute.
<h:commandButton value="Update">
    <a4j:actionListener listener="#{bean.actionMethod}"/>
    <f:ajax render="messages"/>
</h:commandButton>
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Ques 25. What is a4j:jsFunction in RichFaces?
The a4j:jsFunction component creates a JavaScript function that allows you to send JSF Ajax requests from any JavaScript. You define the Ajax and JSF properties just like a4j:ajax, or a4j:commandButton, and a4j:jsFunction creates the JavaScript for you. The component sends a request using the standard JSF mechanisms. Note that this means a JSF form is required.
The following example shows how to use a4j:jsFunction to create a function named updateName. This is then called on mouseover of the different names. This triggers the full round trip Ajax request and renders the updated name.
  <span onmouseover="updateAddress('WithoutBook')" onmouseout="updateAddress('')">WithoutBook</span>
<a4j:jsFunction name="updateAddress" render="showAddress">
    <a4j:param name="address" assignTo="#{bean.address}" />
</a4j:jsFunction>
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Ques 26. What is rich:tree in RichFaces?
The rich:tree component renders a tree control on the page. The most important tree features include the following:
Native support for Ajax operations
Support for ajax, client, and server switch types
Selection capabilities
Flexible look and feel
<rich:tree id="tree" nodeType="#{node.type}" var="node" value="#{bean.rootNodes}" toggleType="client" selectionType="ajax" selectionChangeListener="#{bean.selectionChanged}">
      <rich:treeNode type="country">#{node.name}</rich:treeNode>
      <rich:treeNode type="company" iconExpanded="/images/ctry.gif" iconCollapsed="/images/tree/disc.gif">#{node.name}</rich:treeNode>
      <rich:treeNode type="cd" iconLeaf="/images/tree/cd.gif">
           #{node.artist} - #{node.name} - #{node.year}
      </rich:treeNode>
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What is RichFaces?
What is rich:dataGrid in RichFaces?
What are the basic configurations of web.xml for Rich Faces?
What is limitToList attribute?
What is rich:messages in RichFaces?
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SQL Query 面接の質問と回答 - Total 70 questions
SQLite 面接の質問と回答 - Total 53 questions
Teradata 面接の質問と回答 - Total 20 questions
Cassandra 面接の質問と回答 - Total 25 questions
Neo4j 面接の質問と回答 - Total 44 questions
MSSQL 面接の質問と回答 - Total 50 questions
OrientDB 面接の質問と回答 - Total 46 questions
Data Warehouse 面接の質問と回答 - Total 20 questions
SQL 面接の質問と回答 - Total 152 questions
IBM DB2 面接の質問と回答 - Total 40 questions
Verilog 面接の質問と回答 - Total 30 questions
Software Engineering 面接の質問と回答 - Total 27 questions
MATLAB 面接の質問と回答 - Total 25 questions
Digital Electronics 面接の質問と回答 - Total 38 questions
VLSI 面接の質問と回答 - Total 30 questions
Civil Engineering 面接の質問と回答 - Total 30 questions
Electrical Machines 面接の質問と回答 - Total 29 questions
Data Engineer 面接の質問と回答 - Total 30 questions
Robotics 面接の質問と回答 - Total 28 questions
AutoCAD 面接の質問と回答 - Total 30 questions
Power System 面接の質問と回答 - Total 28 questions
Electrical Engineering 面接の質問と回答 - Total 30 questions
TIBCO 面接の質問と回答 - Total 30 questions
Informatica 面接の質問と回答 - Total 48 questions
Oracle CXUnity 面接の質問と回答 - Total 29 questions
Web Services 面接の質問と回答 - Total 10 questions
Salesforce Lightning 面接の質問と回答 - Total 30 questions
IBM Integration Bus 面接の質問と回答 - Total 30 questions
Power BI 面接の質問と回答 - Total 24 questions
OIC 面接の質問と回答 - Total 30 questions
Web API 面接の質問と回答 - Total 31 questions
Dell Boomi 面接の質問と回答 - Total 30 questions
IBM DataStage 面接の質問と回答 - Total 20 questions
Talend 面接の質問と回答 - Total 34 questions
Salesforce 面接の質問と回答 - Total 57 questions
Java 17 面接の質問と回答 - Total 20 questions
Servlets 面接の質問と回答 - Total 34 questions
Kotlin 面接の質問と回答 - Total 30 questions
EJB 面接の質問と回答 - Total 80 questions
Java Beans 面接の質問と回答 - Total 57 questions
Java Exception Handling 面接の質問と回答 - Total 30 questions
Spring Boot 面接の質問と回答 - Total 50 questions
Java 15 面接の質問と回答 - Total 16 questions
Core Java 面接の質問と回答 - Total 306 questions
Java Multithreading 面接の質問と回答 - Total 30 questions
Apache Wicket 面接の質問と回答 - Total 26 questions
JBoss 面接の質問と回答 - Total 14 questions
Log4j 面接の質問と回答 - Total 35 questions
Java Mail 面接の質問と回答 - Total 27 questions
Java Applet 面接の質問と回答 - Total 29 questions
Java 21 面接の質問と回答 - Total 21 questions
Google Gson 面接の質問と回答 - Total 8 questions
Struts 面接の質問と回答 - Total 84 questions
RMI 面接の質問と回答 - Total 31 questions
Java Support 面接の質問と回答 - Total 30 questions
Apache Camel 面接の質問と回答 - Total 20 questions
JAXB 面接の質問と回答 - Total 18 questions
JSP 面接の質問と回答 - Total 49 questions
Java Concurrency 面接の質問と回答 - Total 30 questions
J2EE 面接の質問と回答 - Total 25 questions
JUnit 面接の質問と回答 - Total 24 questions
Java OOPs 面接の質問と回答 - Total 30 questions
Apache Tapestry 面接の質問と回答 - Total 9 questions
Java 11 面接の質問と回答 - Total 24 questions
JDBC 面接の質問と回答 - Total 27 questions
Java Garbage Collection 面接の質問と回答 - Total 30 questions
Spring Framework 面接の質問と回答 - Total 53 questions
Java Swing 面接の質問と回答 - Total 27 questions
Java Design Patterns 面接の質問と回答 - Total 15 questions
JPA 面接の質問と回答 - Total 41 questions
Hibernate 面接の質問と回答 - Total 52 questions
JMS 面接の質問と回答 - Total 64 questions
JSF 面接の質問と回答 - Total 24 questions
Java 8 面接の質問と回答 - Total 30 questions
Tally 面接の質問と回答 - Total 30 questions
Pega 面接の質問と回答 - Total 30 questions
ITIL 面接の質問と回答 - Total 25 questions
Finance 面接の質問と回答 - Total 30 questions
SAP MM 面接の質問と回答 - Total 30 questions
JIRA 面接の質問と回答 - Total 30 questions
SAP ABAP 面接の質問と回答 - Total 24 questions
SCCM 面接の質問と回答 - Total 30 questions
Xamarin 面接の質問と回答 - Total 31 questions
iOS 面接の質問と回答 - Total 52 questions
Ionic 面接の質問と回答 - Total 32 questions
Android 面接の質問と回答 - Total 14 questions
Mobile Computing 面接の質問と回答 - Total 20 questions
Cryptography 面接の質問と回答 - Total 40 questions
RPA 面接の質問と回答 - Total 26 questions
Interview Tips 面接の質問と回答 - Total 30 questions
College Teachers 面接の質問と回答 - Total 30 questions
SDLC 面接の質問と回答 - Total 75 questions
Blue Prism 面接の質問と回答 - Total 20 questions
Memcached 面接の質問と回答 - Total 28 questions
GIT 面接の質問と回答 - Total 30 questions
Business Analyst 面接の質問と回答 - Total 40 questions
Splunk 面接の質問と回答 - Total 30 questions
DevOps 面接の質問と回答 - Total 45 questions
Accounting 面接の質問と回答 - Total 30 questions
SSB 面接の質問と回答 - Total 30 questions
Algorithm 面接の質問と回答 - Total 50 questions
OSPF 面接の質問と回答 - Total 30 questions
Sqoop 面接の質問と回答 - Total 30 questions
JSON 面接の質問と回答 - Total 16 questions
Computer Graphics 面接の質問と回答 - Total 25 questions
IoT 面接の質問と回答 - Total 30 questions
Insurance 面接の質問と回答 - Total 30 questions
Scrum Master 面接の質問と回答 - Total 30 questions
Accounts Payable 面接の質問と回答 - Total 30 questions
XML 面接の質問と回答 - Total 25 questions
GraphQL 面接の質問と回答 - Total 32 questions
Bitcoin 面接の質問と回答 - Total 30 questions
Active Directory 面接の質問と回答 - Total 30 questions
Laravel 面接の質問と回答 - Total 30 questions
Tableau 面接の質問と回答 - Total 20 questions
Adobe AEM 面接の質問と回答 - Total 50 questions
Kubernetes 面接の質問と回答 - Total 30 questions
Microservices 面接の質問と回答 - Total 30 questions
Apache Kafka 面接の質問と回答 - Total 38 questions
Fashion Designer 面接の質問と回答 - Total 20 questions
Desktop Support 面接の質問と回答 - Total 30 questions
IAS 面接の質問と回答 - Total 56 questions
PHP OOPs 面接の質問と回答 - Total 30 questions
OOPs 面接の質問と回答 - Total 30 questions
Linked List 面接の質問と回答 - Total 15 questions
Dynamic Programming 面接の質問と回答 - Total 30 questions
SharePoint 面接の質問と回答 - Total 28 questions
CICS 面接の質問と回答 - Total 30 questions
Yoga Teachers Training 面接の質問と回答 - Total 30 questions
Nursing 面接の質問と回答 - Total 40 questions
Language in C 面接の質問と回答 - Total 80 questions
Behavioral 面接の質問と回答 - Total 29 questions
School Teachers 面接の質問と回答 - Total 25 questions
Statistics 面接の質問と回答 - Total 30 questions
Digital Marketing 面接の質問と回答 - Total 40 questions
Apache Spark 面接の質問と回答 - Total 24 questions
Full-Stack Developer 面接の質問と回答 - Total 60 questions
IIS 面接の質問と回答 - Total 30 questions
System Design 面接の質問と回答 - Total 30 questions
VISA 面接の質問と回答 - Total 30 questions
SEO 面接の質問と回答 - Total 51 questions
Google Analytics 面接の質問と回答 - Total 30 questions
Cloud Computing 面接の質問と回答 - Total 42 questions
BPO 面接の質問と回答 - Total 48 questions
ANT 面接の質問と回答 - Total 10 questions
HR Questions 面接の質問と回答 - Total 49 questions
REST API 面接の質問と回答 - Total 52 questions
Content Writer 面接の質問と回答 - Total 30 questions
SAS 面接の質問と回答 - Total 24 questions
Control System 面接の質問と回答 - Total 28 questions
Agile Methodology 面接の質問と回答 - Total 30 questions
Hadoop 面接の質問と回答 - Total 40 questions
Banking 面接の質問と回答 - Total 20 questions
Checkpoint 面接の質問と回答 - Total 20 questions
Blockchain 面接の質問と回答 - Total 29 questions
Technical Support 面接の質問と回答 - Total 30 questions
Mainframe 面接の質問と回答 - Total 20 questions
Nature 面接の質問と回答 - Total 20 questions
Chemistry 面接の質問と回答 - Total 50 questions
Docker 面接の質問と回答 - Total 30 questions
Sales 面接の質問と回答 - Total 30 questions
Knockout JS 面接の質問と回答 - Total 25 questions
TypeScript 面接の質問と回答 - Total 38 questions
PowerShell 面接の質問と回答 - Total 27 questions
Terraform 面接の質問と回答 - Total 30 questions
JCL 面接の質問と回答 - Total 20 questions
JavaScript 面接の質問と回答 - Total 59 questions
Ajax 面接の質問と回答 - Total 58 questions
Express.js 面接の質問と回答 - Total 30 questions
Ansible 面接の質問と回答 - Total 30 questions
ES6 面接の質問と回答 - Total 30 questions
Electron.js 面接の質問と回答 - Total 24 questions
RxJS 面接の質問と回答 - Total 29 questions
NodeJS 面接の質問と回答 - Total 30 questions
jQuery 面接の質問と回答 - Total 22 questions
Vue.js 面接の質問と回答 - Total 30 questions
ExtJS 面接の質問と回答 - Total 50 questions
Svelte.js 面接の質問と回答 - Total 30 questions
Shell Scripting 面接の質問と回答 - Total 50 questions
Next.js 面接の質問と回答 - Total 30 questions
BGP 面接の質問と回答 - Total 30 questions
Ethical Hacking 面接の質問と回答 - Total 40 questions
Cyber Security 面接の質問と回答 - Total 50 questions
PII 面接の質問と回答 - Total 30 questions
Data Protection Act 面接の質問と回答 - Total 20 questions
Unix 面接の質問と回答 - Total 105 questions
Weblogic 面接の質問と回答 - Total 30 questions
Tomcat 面接の質問と回答 - Total 16 questions
Glassfish 面接の質問と回答 - Total 8 questions
Ubuntu 面接の質問と回答 - Total 30 questions
Linux 面接の質問と回答 - Total 43 questions
ETL Testing 面接の質問と回答 - Total 20 questions
QTP 面接の質問と回答 - Total 44 questions
Cucumber 面接の質問と回答 - Total 30 questions
Postman 面接の質問と回答 - Total 30 questions
TestNG 面接の質問と回答 - Total 38 questions
SDET 面接の質問と回答 - Total 30 questions
Selenium 面接の質問と回答 - Total 40 questions
Kali Linux 面接の質問と回答 - Total 29 questions
Mobile Testing 面接の質問と回答 - Total 30 questions
UiPath 面接の質問と回答 - Total 38 questions
Quality Assurance 面接の質問と回答 - Total 56 questions
API Testing 面接の質問と回答 - Total 30 questions
Appium 面接の質問と回答 - Total 30 questions
Symfony 面接の質問と回答 - Total 30 questions
GWT 面接の質問と回答 - Total 27 questions
CSS 面接の質問と回答 - Total 74 questions
Ruby On Rails 面接の質問と回答 - Total 74 questions
Yii 面接の質問と回答 - Total 30 questions
Angular 面接の質問と回答 - Total 50 questions
PHP 面接の質問と回答 - Total 27 questions
Oracle JET(OJET) 面接の質問と回答 - Total 54 questions
Frontend Developer 面接の質問と回答 - Total 30 questions
Zend Framework 面接の質問と回答 - Total 24 questions
RichFaces 面接の質問と回答 - Total 26 questions
HTML 面接の質問と回答 - Total 27 questions
Flutter 面接の質問と回答 - Total 25 questions
CakePHP 面接の質問と回答 - Total 30 questions
React 面接の質問と回答 - Total 40 questions
React Native 面接の質問と回答 - Total 26 questions
Web Developer 面接の質問と回答 - Total 50 questions
Angular 8 面接の質問と回答 - Total 32 questions
Angular JS 面接の質問と回答 - Total 21 questions
Dojo 面接の質問と回答 - Total 23 questions


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Interview Questions and Answers

Freshers / Beginner level questions & answers

Ques 1. What is RichFaces?

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Ques 2. What are the basic configurations of web.xml for Rich Faces?

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Ques 3. Give some examples of RichFaces Components.

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Ques 4. Give some examples of a4j components.

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Ques 5. What is a4j:commandLink in RichFaces?

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Ques 6. What is rich:tooltip in RichFaces?

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Intermediate / 1 to 5 years experienced level questions & answers

Ques 7. How to pass parameters to a4j:commandButton?

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Ques 8. How to send and ajax request?

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Ques 9. How to upload files in richfaces?

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Ques 10. What is a4j:param in RichFaces?

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Ques 11. What is a4j:status in RichFaces?

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Ques 12. What is rich:messages in RichFaces?

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Ques 13. What is rich:dataGrid in RichFaces?

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Ques 14. What is rich:calendar in RichFaces?

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Experienced / Expert level questions & answers

Ques 15. What is <a4j:support> tag?

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Ques 16. How to control traffic in RichFaces?

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Ques 17. How to keep a managed bean between requests?

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Ques 18. How to different skins are runtime?

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Ques 19. Tell me about a4j:outputPanel and ajaxRendered?

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Ques 20. What is limitToList attribute?

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Ques 21. What is the use of eventsQueue?

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Ques 22. How to handle request errors and session expire on client side?

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Ques 23. What is a4j:ajax?

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Ques 24. What is a4j:actionListener in RichFaces?

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Ques 25. What is a4j:jsFunction in RichFaces?

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Ques 26. What is rich:tree in RichFaces?

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