<!DOCTYPE html><html lang="en"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <TITLE>Tutorials|Examples|Interview Questions and Answers</TITLE> <meta name="google-site-verification" content="" /> <META name="description" CONTENT="Tutorials|Examples|Interview Questions and Answers,multiple choice questions and answers,Mock Tests , Practice Papers ,Sample Test,Sample questions"> <META name="keywords" CONTENT="MCQs,ONLINE EXAM,C,C++,Linux,Unix,Core Java,Hibernate,Servlet,JSP,Spring,Struts,C#,ASP.NET,MYSQL,PHP,Tutorial,Examples,interview,questions,with,answers,Free,PHP,WCF,Android,WEB Technology,Software,Testing,VBScript,HTML,XML,CSS,Javascript,FAQ,AJAX Controls Toolkit,AJAX,VB.Net,WCF,WPF,Web Services,ADO.Net,SilverLight,multiple choice questions and answers,Mock Tests , Practice Papers ,Sample Test,Sample questions"> <link rel="canonical" href="http://r4r.co.in"> <meta http-equiv="pragma" content="no-cache"> <meta name="robots" content="index, follow" /> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta content="yes" name="apple-mobile-web-app-capable"> <meta content="yes" name="apple-touch-fullscreen"> <meta name="author" content="Rajesh Kumar"> <meta name="copyright" content="r4r.co.in"> <meta property="og:type" content="website"> <meta property="og:title" content="Tutorials|Examples|Interview Questions and Answers"> <meta property="og:description" content="Tutorials|Examples|Interview Questions and Answers,multiple choice questions and answers,Mock Tests , Practice Papers ,Sample Test,Sample questions"> <meta property="og:url" content="http://r4r.co.in"> <link rel="alternate" href="http://r4r.co.in" hreflang="en"> <link rel="apple-touch-icon" href="http://r4r.co.in/images/logo.gif"> <link href="http://r4r.co.in/images/logo.gif" type="image/gif" rel="SHORTCUT ICON"> <link href="/css/main1.css" rel="stylesheet" type="text/css" /> </HEAD> <BODY> <!--#include virtual="/commonfiles/header.shtml" --> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-5257291800535158" crossorigin="anonymous"></script><link href="/css/menu.css" rel="stylesheet" type="text/css" /><script src="/js/menu.js" type="text/javascript"></script><script src="/js/jquery 1.6.4.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { $(document).scroll(function() { var scrollTop = document.documentElement.scrollTop || document.body.scrollTop; if (scrollTop > 250) { $('#top_button').fadeIn(); } else { $('#top_button').fadeOut(); } }); $('#top_button').click(function() { document.documentElement.scrollTop=0; document.body.scrollTop=0; $('#top_button').fadeOut(); }); }); </script> <a id="top_button" style="position: fixed;bottom: 50px;right: 3%;z-index: 990;-webkit-border-radius: 5px; display:none;-moz-border-radius: 5px; cursor:pointer;"><img src="/images/top_arrow.png" /></a> <div class="header"><table cellpadding="0" cellspacing="0"><tr><td style="width:20%;"> <div class="logo"><table><tr><td> <font style="color:#FFF; font-size:50px; margin-left:20px;"><font style="color:#0EC3F7;">r</font>4r</font> </td><td valign="middle">Right place for Right person<sup>®</sup></td></tr></table> </div></td><td style="width:80%; text-align:right;"> <ul class="extra_menu"> <li> <a href="/profile/feedback.shtml">Write us</a></li> <li><a href="https://r4r.co.in/blogs/">Blogs</a></li> <li><a href="/videos">Videos</a></li> <li><a href="/mcqs">MCQS</a></li> <li><a href="https://r4r.co.in/answer/">Interview Questions and Answers</a></li> </ul></td></tr></table></div> <h1>Tutorials|Examples|Interview Questions and Answers</h1> <!--#include file ="/blogs/blogs.php" --> <div class="card my-4"> <h5 class="card-header"> Top articles </h5> <a href="/blogs/article/847/Free-Billing-Software-for-Small-Businesses-in-India---The-Ultimate-Guide">Free Billing Software for Small Businesses in India - The Ultimate Guide</a> <p> From finger-licking budget-friendly restaurants to tech-driven one-stop platform start-ups, small businesses of diverse industries are booming magnanimously in India, where ideas bloom and</p> Published at:- <time>2024-12-25 15:52:00</time> <br/> <a href="/blogs/article/846/Explore-the-Art-of-Baking-with-These-Top-Digital-EBooks">Explore the Art of Baking with These Top Digital EBooks</a> <p>Explore the Art of Baking with These Top Digital EBooksBaking is more than just a culinary skill. 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21:47:00</time> <br/> </div> <div class="page_wrapper" style="padding-top:10px;"><img src="main-banner.png" width="100%"> <table> <tr> <td style="width:80%; vertical-align:top;"> <div class="subject_div"> <ul class="subject_list"> <li> <a href="http://r4r.co.in/c/" class="topic_list" style="color:#16a085;"> <div class="heading">C</div> <p class="text">C is a general-purpose, procedural, imperative computer programming language.</p> </a> </li> <li> <a href="http://r4r.co.in/cpp/" title="C++ Tutorials,C++ Examples ,C++ Interview Questions and Answers" class="topic_list" style="color:#16a085;"> <div class="heading">C++</div> <p class="text">C++ acquire the feature of high level and low level languages using C++ compiler.</p> </a> </li> <li> <a href="http://r4r.co.in/linux/" class="topic_list" style="color:#16a085;"> <div class="heading">LINUX</div> <p class="text">Linux is a UNIX-based operating system originally developed as for Intel-compatible PC</p> </a> </li> <li> <a href="http://r4r.co.in/php/" class="topic_list" style="color:#16a085;"> <div class="heading">PHP</div> <p class="text">PHP is server side scripting language also making dynamic and interactive Web pages</p> </a> </li> </ul></div><div class="subject_div"> <div style="border-bottom:3px solid #e95813 ;"> <div style="padding:14px 0px 1px 37px;font-size:x-large;color: #e95813 ;background: url(/images/java_icon.png) no-repeat #FFFFFF;background-position: 0px 0px;">JAVA<a href="http://r4r.co.in/java" style=" font-size:13px; margin:0px 0px 0px 15px">View all</a></div> </div> <ul class="subject_list"> <li> <a href="http://r4r.co.in/java/corejava/" class="topic_list" style="color:#e95813;"> <div class="heading">Core Java</div> <p class="text">Programming Language which include Array, String, Package, Collection, Thread, Datatypes, etc.</p> </a> </li> <li> <a href="http://r4r.co.in/certifications/" class="topic_list" style="color:#e95813;"> <div class="heading">Certification</div> <p class="text">OCJP Certification study material for Professional.</p> </a> </li> <li> <a href="http://r4r.co.in/java/advancejava/" class="topic_list" style="color:#e95813;"> <div class="heading">Advanced Java</div> <p class="text">It covers the all Topic in detail like Swing, Networking, JSP, Servlets, JDBC etc.</p> </a> </li> <li> <a href="http://r4r.co.in/java/struts/" class="topic_list" style="color:#e95813;"> <div class="heading">Struts 2.0</div> <p class="text">Struts2.0 is a frameworks which is an implementation of MVC-2 java web applications at server side.</p> </a> </li> <li> <a href="http://r4r.co.in/java/spring/" class="topic_list" style="color:#e95813;"> <div class="heading">Spring</div> <p class="text">A framework that provide infrastructure for developing robust Java applications very easily.</p> </a> </li> <li> <a href="http://r4r.co.in/java/hibernate/" class="topic_list" style="color:#e95813;"> <div class="heading">Hibernate</div> <p class="text">A ORM(Object Relation Mapping) framework that provide to persiste data in relational database.</p> </a> </li> <li> <a href="http://r4r.co.in/java/servlet/" class="topic_list" style="color:#e95813;"> <div class="heading">Servlet</div> <p class="text">Servlet is a Java programming language That is used to extend the capabilities of the servers.</p> </a> </li> <li> <a href="http://r4r.co.in/java/jsp/" class="topic_list" style="color:#e95813;"> <div class="heading">JSP</div> <p class="text">Java server pages (JSP) is a technology to develop dynamic web pages.</p> </a> </li> <li> <a href="http://r4r.co.in/java/ejb/" class="topic_list" style="color:#e95813;"> <div class="heading">EJB</div> <p class="text">A server-side component that encapsulates the business logic of an application.</p> </a> </li> <li> <a href="http://r4r.co.in/java/jsf/" class="topic_list" style="color:#e95813;"> <div class="heading">JSF</div> <p class="text">JSF has set of pre-assembled User Interface (UI), that is used in Java.</p> </a> </li> <li> <a href="http://r4r.co.in/java/jdbc/" class="topic_list" style="color:#e95813;"> <div class="heading">JDBC</div> <p class="text">JDBC is the API which defines how the client may access the database.</p> </a> </li> <li> <a href="http://r4r.co.in/java/j2me/" class="topic_list" style="color:#e95813;"> <div class="heading">J2ME</div> <p class="text">A technology that allows to make application for Real device, Like mobile devices.</p> </a> </li> <li> <a href="http://r4r.co.in/java/android/" class="topic_list" style="color:#e95813;"> <div class="heading">Android</div> <p class="text">Android is a mobile operating system (OS) based on the Linux kernel.</p> </a> </li> <li> <a href="http://r4r.co.in/ant/" class="topic_list" style="color:#e95813;"> <div class="heading">ANT</div> <p class="text">Ant is a Java library and command-line tool or cross platform based tool.</p> </a> </li> <li> <a href="http://r4r.co.in/ajax/" class="topic_list" style="color:#e95813;"> <div class="heading">AJAX</div> <p class="text">AJAX is stands for Asynchronous JavaScript and XML</p> </a> <li> <a href="http://r4r.co.in/webservice/" class="topic_list" style="color:#e95813;"> <div class="heading">Web Service</div> <p class="text">A technology to communicate one programming language with another using XML, JSON, Format .</p> </a> </li> <li> <a href="http://r4r.co.in/java/jndi/" class="topic_list" style="color:#e95813;"> <div class="heading">JNDI</div> <p class="text">JNDI is an API that supports accessing objects by naming.</p> </a> </li> <li> <a href="http://r4r.co.in/wml/" class="topic_list" style="color:#e95813;"> <div class="heading">WML</div> <p class="text">Wireless Markup Language (WML) is a markup language based on (XML).Developed for mobile device.</p> </a> </li> <li> <a href="http://r4r.co.in/java/corejava/jdk/" class="topic_list" style="color:#e95813;"> <div class="heading">JDK</div> <p class="text">New Features of JDK .</p> </a> </li> </ul></div><!--#include virtual="/commonfiles/ads1.shtml" --> <div class="subject_div"> <div style="border-bottom:3px solid #0fa0cf;"> <div style="padding:14px 0px 1px 45px;font-size:x-large;color: #0fa0cf;background: url(/images/microsoft_icon.png) no-repeat #FFFFFF; background-position: 1px 18px;">Microsoft<a href="http://r4r.co.in/dotnet/" style=" font-size:13px; margin:0px 0px 0px 15px">View all</a></div> </div> <ul class="subject_list"> <li> <a href="http://r4r.co.in/c1/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">C#</div> <p class="text">C# is a Language to developing application in a fully object-oriented manner .</p> </a> </li> <li> <a href="http://r4r.co.in/asp.net/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">ASP.Net</div> <p class="text">ASP.Net is a powerful tool for creating dynamic and interactive web pages.</p> </a> </li> <li> <a href="http://r4r.co.in/silverlight/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">SilverLight</div> <p class="text">Silverlight is the new Microsoft technology on web platform for (RIA).</p> </a> </li> <li> <a href="http://r4r.co.in/sql/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">MS-SQL</div> <p class="text">MS-SQL is a Database server for collection and storage of data.</p> </a> </li> <li> <a href="http://r4r.co.in/ado.net/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">ADO.Net</div> <p class="text">ADO.Net is a object-oriented set of libraries that allows to interact with data sources.</p> </a> </li> <li> <a href="http://r4r.co.in/webservice/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">Web Services</div> <p class="text">A Web Services is a collection of protocols for exchanging information.</p> </a> </li> <li> <a href="http://r4r.co.in/wpf/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">WPF</div> <p class="text">WPF is a next-generation presentation system for building Windows client applications.</p> </a> </li> <li> <a href="http://r4r.co.in/wcf/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">WCF</div> <p class="text">WCF is a framework for building service-oriented applications. </p> </a> </li> <li> <a href="http://r4r.co.in/vb.net/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">VB.Net</div> <p class="text"> Visual Basic .NET (VB.NET) is an object-oriented programming language designed by Microsoft. </p> </a> </li> <li> <a href="http://r4r.co.in/asp.net/01/tutorial/asp.net_ajax/" class="topic_list" style="color:#0fa0cf;"> <div class="heading">AJAX</div> <p class="text">Ajax is a technique for creating fast and dynamic web pages.</p> </a> </li> <li> <a href="http://r4r.co.in/asp.net/01/tutorial/asp.net_ajax/ajax-toolkit-extender-control/index.shtml" class="topic_list" style="color:#0fa0cf;"> <div class="heading">AJAX Controls Toolkit</div> <p class="text">The ASP.NET AJAX Control Toolkit is an open-source project.</p> </a> </li> </ul></div><div class="subject_div"> <div style="border-bottom:3px solid #D94E67 ;"> <div style="font-size:x-large;color: #D94E67 ;background: #FFFFFF url('/images/php_icon.png') no-repeat 0px 0px;padding-left:55px; padding-right:0px; padding-top:0px; padding-bottom:1px">PHP</div> </div> <ul class="subject_list"> <li> <a href="http://r4r.co.in/php/php_tutorial/index.shtml" class="topic_list" style="color:#D94E67;"> <div class="heading">Learn PHP In Detail</div> <p class="text">PHP is server side script language like ASP. Its scripts executes on server.</p> </a> </li> <li> <a href="http://r4r.co.in/php/php_tutorial/array_function.shtml" class="topic_list" style="color:#D94E67;"> <div class="heading">Array Functions</div> <p class="text">The array functions allow you to manipulate arrays. It also allow you to access arrays.</p> </a> </li> <li> <a href="http://r4r.co.in/php/php_tutorial/string_function.shtml" class="topic_list" style="color:#D94E67;"> <div class="heading">String Functions</div> <p class="text">String functions are used to manipulate a string or query information about a string.</p> </a> </li> <li> <a href="http://r4r.co.in/php/tutorial/hw_strt/" class="topic_list" style="color:#D94E67;"> <div class="heading">How to Start PHP</div> <p class="text">In this topic we define the basic of PHP with installation.</p> </a> </li> <li> <a href="http://r4r.co.in/php/tutorial/phpmysql/" class="topic_list" style="color:#D94E67;"> <div class="heading">PHP with MySql</div> <p class="text">The Mysql database is a open source database server in existence used in conjunction.</p> </a> </li> <li> <a href="http://r4r.co.in/php/example/operator/" class="topic_list" style="color:#D94E67;"> <div class="heading">Operators in PHP</div> <p class="text">The PHP operators that you 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