{"id":72634,"date":"2019-08-30T10:40:05","date_gmt":"2019-08-30T10:40:05","guid":{"rendered":"https:\/\/www.whizlabs.com\/blog\/?p=72634"},"modified":"2021-01-12T08:25:15","modified_gmt":"2021-01-12T08:25:15","slug":"introduction-to-spring-boot","status":"publish","type":"post","link":"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/","title":{"rendered":"A Quick Introduction to Spring Boot"},"content":{"rendered":"<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">In this tech world, <a href=\"https:\/\/www.whizlabs.com\/blog\/spring-framework-5\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"s2\">Spring Framework<\/span><\/a><\/span> <span class=\"s1\">is considered as one of the best and effective platforms to carry out different tasks. For example, developing different enterprise and web applications. Till now, Spring has introduced a lot of useful programs and <\/span><span class=\"s3\">Spring Boot is one of them. <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">In this article, we will discuss some basics about <\/span><span class=\"s3\">spring boot<\/span><span class=\"s1\">, its examples, and more. Besides, here you will get to know some critical <\/span><span class=\"s3\">spring boot interview questions. <\/span><span class=\"s1\">Remember that, before obtaining knowledge about this useful program, you need to learn about XML and Java. If you&#8217;re planning to get a <a href=\"https:\/\/www.whizlabs.com\/blog\/spring-professional-certification-preparation\/\" target=\"_blank\" rel=\"noopener\">Spring certification<\/a>, this information will be of so much help for you. So, let\u2019s get started with the basics. After that, we will take a look into some significant differences between <\/span><span class=\"s3\">Spring vs spring boot. <\/span><\/p>\n<p class=\"p3\" style=\"text-align: justify;\"><a href=\"https:\/\/www.whizlabs.com\/spring-framework-basics-video-course\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter wp-image-72414 size-full\" src=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/728X90-24.jpg\" alt=\"Spring Framework Basics\" width=\"728\" height=\"90\" srcset=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/728X90-24.jpg 728w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/728X90-24-300x37.jpg 300w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/728X90-24-640x79.jpg 640w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/728X90-24-681x84.jpg 681w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ea7e02;color:#ea7e02\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ea7e02;color:#ea7e02\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#What_do_You_Mean_by_Spring_Boot_Program\" >What do You Mean by Spring Boot Program?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Why_does_the_Developer_Use_Spring_Boot\" >Why does the Developer Use Spring Boot?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Understanding_the_Advantage_of_the_Spring_Framework\" >Understanding the Advantage of the Spring Framework<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Prerequisites_of_Spring_Boot\" >Prerequisites of Spring Boot<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Major_Features_of_Spring_Boot\" >Major Features of Spring Boot<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#System_Requirement_and_Compatibility_for_Spring_Boot\" >System Requirement and Compatibility for Spring Boot<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Difference_between_Spring_vs_Spring_Boot\" >Difference between Spring vs Spring Boot<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Some_Frequently_Asked_Spring_Boot_Interview_Questions\" >Some Frequently Asked Spring Boot Interview Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-spring-boot\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"What_do_You_Mean_by_Spring_Boot_Program\"><\/span><span class=\"s1\">What do You Mean by Spring Boot Program? <\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\"><a href=\"https:\/\/spring.io\/projects\/spring-boot\" target=\"_blank\" rel=\"noopener noreferrer\">Spring Boot<\/a> is a useful program that lets you bootstrap or develops different spring applications faster. Talking about, its official definition, it helps in creating a production-oriented and stand-alone application that you can just run. <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">Without spending much time, you can easily create Spring and spring applications. The program comes with some in-built configurations, which help in preventing boilerplate code. Generally, such codes are quite painful to manage. <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">It offers a lot of useful features. For example, auto-configuration, spring actuator, embedded server, spring initializer and more.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Why_does_the_Developer_Use_Spring_Boot\"><\/span><span class=\"s1\">Why does the Developer Use Spring Boot? <\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">Suppose, you are planning to develop a Spring MVC Hibernate MySQL program. However, for this, you need to learn about various dependencies. Besides, you may feel confused with the versions. Furthermore, you need to learn about transaction manager, data source, entity manager factory and more. But how about a program which can manage all such kinds of stuff? <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">This is where you can use <\/span><span class=\"s3\">a spring <\/span><span class=\"s1\">program. It takes care of all the settings and process, which is quite challenging to perform. On the other hand, you will find the applications fast. With its in-built configuration, it can help you in developing different spring applications quickly. If you go through the <\/span><span class=\"s3\">spring boot example<\/span><span class=\"s1\">, you can understand about the projects and how it works. However, for now, let\u2019s know about some of the significant advantages of the program. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Understanding_the_Advantage_of_the_Spring_Framework\"><\/span><span class=\"s1\">Understanding the Advantage of the Spring Framework<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li2\"><span class=\"s1\">The program comes with some useful configurations which lets you create applications much faster. <\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">It offers Jetty or Tomcat server. So, there is no need to employ a Jar. <\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">The program dramatically reduces development code as it provides various boilerplate code.<\/span><\/li>\n<li class=\"li2\"><span class=\"s3\">Spring framework <\/span><span class=\"s1\">is very productivity and quite easy to use. <\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">For easy and effective integration of Maven, it provides users with various starter projects. So, there is no need to worry about project mismatch. <\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">Using the initializer, you can easily sample projects. <\/span><\/li>\n<\/ul>\n<blockquote><p><span class=\"s1\">Spring is undoubtedly one of the best Java Frameworks out there. Here we enlist the <a href=\"https:\/\/www.whizlabs.com\/blog\/spring-framework-books\/\" target=\"_blank\" rel=\"noopener noreferrer\">best Spring Framework books<\/a> that will help you become an expert.<\/span><\/p><\/blockquote>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Prerequisites_of_Spring_Boot\"><\/span><span class=\"s1\">Prerequisites of Spring Boot<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">If you want to create a spring application, here are some essentials you should consider. Before you start learning it, make sure that you know about the following things:<\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li2\"><span class=\"s1\">Core Java, including its interface, abstract class, method overriding, collection and OOP concepts. So that you can do <\/span><span class=\"s3\">java spring boot.<\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">Besides, you need to learn about some J2ee technologies. For example, JDBC, JSP, and Servlet.<\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">Moreover, learn about different design patterns such as Singleton, Strategy and Factory. <\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">Make yourself familiar with Web Frameworks as well as persistence frameworks.<\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">Knowledge of SQL and various databases. Besides, acquire some knowledge about HTML and Eclipse IDE.\u00a0<\/span><\/li>\n<\/ul>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">Make sure you know how to write and configure Servlet program. However, if you have an interest in technology and application development, then you will find it easy to learn all these kinds of stuff. You can also read out a few <a href=\"https:\/\/www.whizlabs.com\/blog\/spring-framework-books\/\" target=\"_blank\" rel=\"noopener\">Spring book<\/a> to learn the basics and get ahead.\u00a0<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Major_Features_of_Spring_Boot\"><\/span><span class=\"s1\">Major Features of Spring Boot<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To understand more about the Spring Boot, it is important to understand the major features of Spring Boot. Once you will get familiar with these features, you won&#8217;t be able to resist yourself to start working with Spring Boot.<\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li2\">\n<h4><span class=\"s1\">Web Development<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">The spring module is perfect for developing various web applications. In detail, you can easily create HTTP server through Tomcat, Undertow and Jetty. By using the spring-boot-starter-web module, you can run spring applications faster.\u00a0<\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Spring Applications <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">The program offers you an easy way to bootstrap different spring application. Besides, you can start it from the primary method. By using a static run () method, you can begin your application.<\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Events and Listeners <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">It employs different events to handle various tasks. In detail, with this, you can develop factories file to add listeners. To do this use Application Listener key. Remember to build the factory files in the folder, META-INF. For example, META-INF\/Spring. Factories. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Better Admin Support <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">It comes with useful facilities which let you use admin features while developing your applications. With admin feature, you can manage the application remotely. For enable the admin features, you can use Spring .application. Admin. Enabled property. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Externalized Configuration<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">With Spring, you can externalize your application\u2019s configurations. That means, now you can work with those particular applications in various environment. Most of the applications work on the YAML file for configuration externalization. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Properties Files<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">The program offers a vast set of properties for different applications. You can easily use that in the properties file. In general, such files are used to configure properties, for example- server-port = 8085, etc.<\/span><\/p>\n<blockquote><p><span class=\"s4\">Also Read: <a href=\"https:\/\/www.whizlabs.com\/blog\/top-java-frameworks\/\" target=\"_blank\" rel=\"noopener noreferrer\">Top 5 Java Frameworks<\/a><\/span><\/p><\/blockquote>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">YAML Support<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">With Spring, now you can define the hierarchical configuration easily. It is quite useful than JSON. Most of the Spring Application support YAML. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Comes with Type-Safe Configuration <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">You will get Type-Safe configuration. Using this, you can now validate and manage the application\u2019s configuration. Remember that the configuration of the application is an important task, and you need to type it very carefully.<\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Logging<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">For internal logging, the program uses standard logging. Besides, it manages the dependencies automatically. Don\u2019t change the dependencies. Change if they need any customizations. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Better Spring Boot Security<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Talking about <\/span><span class=\"s3\">spring boot security<\/span><span class=\"s1\">, spring applications are spring web-based applications. That means all the applications are secure by authentication on all HTTP points. You can find a vast set of HTTP endpoints which you can use to develop a highly secure Spring application. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">A spring boot example to understand how Spring works:<\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\"><a href=\"https:\/\/www.whizlabs.com\/ocpjd-java-se-11-programmer-ii\/practice-tests\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignright wp-image-72676 size-full\" src=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/java-izo-816-practice-tests.jpg\" alt=\"1Z0-816 Practice Tests\" width=\"300\" height=\"250\" \/><\/a>1. First, create a Java project using Maven with the name \u201cSpring-Boot Hello World Standalone Example\u201d.<\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">2. Now, change the Pom.xml using. Check the below image:<\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">3. Now create a file name, Country.java in package .org. arpit. java2blog.spring-boot<\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">4. Create a file and name it \u201capplication. properties\u201d in src\/main\/resources. For example: countryName= \u201cput the country name\u201d<\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">5. Now, create a file, SpringBootHelloWorldStandaloneApplication.java\u201d in .org. arpit.java2blog. Check the below image. <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">That\u2019s it. Now you complete the Spring Boot Hello World Standalone Example. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"System_Requirement_and_Compatibility_for_Spring_Boot\"><\/span><span class=\"s1\">System Requirement and Compatibility for Spring Boot<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">When you are ready to use the Spring Boot framework, you must know about the system requirements and compatibility of Spring Boot. Let&#8217;s discuss Spring 1.5.6 system compatibility and requirements. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Java Compatibility <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">The latest Spring is compatible with the Java version 1.6. However, always prefer to use the latest version for easy <\/span><span class=\"s3\">java spring boot <\/span><span class=\"s1\">programming. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Gradle or Maven <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">The program is compatible with Gradle 2.9 and above and Maven 3.2 and above. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Container<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Servlet 3.0+ compatible container. For example, Jetty 8 and Tomcat 7 and above. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Spring Environment Framework <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">The Framework 4.3.10. or above.<\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">However, if you are using Tomcat 7, then make sure that the Servlet version is 3.0, and the Jave version is 6. <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">On the other side, for Tomcat 8, you need to use Java version 7 and Servlet version 3.1.<\/span><\/p>\n<blockquote>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">Java blogs offer you a platform to learn more about Java, its frameworks, trends, news, and more. If you want to keep yourself updated about all this, don\u2019t forget to read these <a href=\"https:\/\/www.whizlabs.com\/blog\/best-java-blogs\/\" target=\"_blank\" rel=\"noopener noreferrer\">top Java blogs<\/a>.<\/span><\/p>\n<\/blockquote>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Difference_between_Spring_vs_Spring_Boot\"><\/span><span class=\"s1\">Difference between Spring vs Spring Boot<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Although Spring Boot is a Spring program, there are a number of differences (or you can say a number of additional features that creates these differences) between Spring and Spring Boot. So, let&#8217;s have a difference between the Spring and Spring Boot i.e. Spring vs Spring Boot.<\/p>\n<table class=\"t1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"td1\" valign=\"top\">\n<h4 class=\"p2\"><span class=\"s1\">Comparison Criteria<\/span><\/h4>\n<\/td>\n<td class=\"td1\" valign=\"top\">\n<h4 class=\"p6\" style=\"text-align: center;\"><span class=\"s1\">Spring<\/span><\/h4>\n<\/td>\n<td class=\"td1\" valign=\"top\">\n<h4 class=\"p6\" style=\"text-align: center;\"><span class=\"s1\">Spring Boot<\/span><\/h4>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"td2\" valign=\"top\">\n<p class=\"p6\"><strong><span class=\"s1\">Configuration <\/span><\/strong><\/p>\n<\/td>\n<td class=\"td2\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">Use to design spring application. Developers should take care of manual configuration, entity manager, transaction management and more.<\/span><\/p>\n<\/td>\n<td class=\"td2\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">Use to design the common set up. There is no need to define all the things by the developers. One can manage every work using spring boot configuration.<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"td3\" valign=\"top\">\n<p class=\"p6\"><strong><span class=\"s1\">XML<\/span><\/strong><\/p>\n<\/td>\n<td class=\"td3\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">Spring MVC applications are compulsory to manage. <\/span><\/p>\n<\/td>\n<td class=\"td3\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">Only annotation can manage everything. There is nothing to configure spring application. <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"td4\" valign=\"top\">\n<p class=\"p6\"><strong><span class=\"s1\">Controlling<\/span><\/strong><\/p>\n<\/td>\n<td class=\"td4\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">Developers can easily manage the configuration. So, one can program Spring MVC to load and not to load the unwanted features. <\/span><\/p>\n<\/td>\n<td class=\"td4\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">It can automatically handle some parts. So there is no such concept of loading and not loading the features. <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"td2\" valign=\"top\">\n<p class=\"p6\"><strong><span class=\"s1\">Use<\/span><\/strong><\/p>\n<\/td>\n<td class=\"td2\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">If application type and characteristics are definable, it is better to use. <\/span><\/p>\n<\/td>\n<td class=\"td2\" valign=\"top\">\n<p class=\"p6\"><span class=\"s1\">You can sue it better, if the future functionalities are not defined properly. All the features configure easily. So there is no need to go for additional configuration. <\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.whizlabs.com\/ocpjd-java-se-11-programmer-i\/practice-tests\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter wp-image-72679 size-full\" src=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/java-1z0-815-practice-tests.jpg\" alt=\"1Z0-815 practice tests\" width=\"728\" height=\"90\" srcset=\"https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/java-1z0-815-practice-tests.jpg 728w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/java-1z0-815-practice-tests-300x37.jpg 300w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/java-1z0-815-practice-tests-640x79.jpg 640w, https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/java-1z0-815-practice-tests-681x84.jpg 681w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<h2 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Some_Frequently_Asked_Spring_Boot_Interview_Questions\"><\/span><span class=\"s1\">Some Frequently Asked Spring Boot Interview Questions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">So, we have discussed some basics about the spring program. So, is there anything more that you need to learn? Well, yes. If you are going to attain an interview for a spring expert job, then you need to know some fundamental interview question on this. So, let\u2019s explore some significant questions that can help you in cracking the interview. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">What do you mean by Spring program?\u00a0<\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The program makes it quite easy to develop stand-alone spring applications. You can run the application without any extra configurations. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Can you explain some of the advantages of spring program applications? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The applications come with various non-functional features. Besides, their auto-configuration feature makes the loading time faster. On the other side, you can find servlet containers. Moreover, the applications are highly secure and easy to run. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Explain the important requirements for the Spring program 2 system? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: It requires Java 8 and above. For the build, you need Gradle 4.4 and above and Maven 3.3 and above. Talking about its container support, it supports Jetty 9.4 and Tomcat 9. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">What is the latest version of the program? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The latest version of the Spring program is 2.13. (By March. 2019). This version needs Java 8 and more and Spring 5 framework. Besides, it only runs on Gradle 4 and above. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">What is the starter in Spring program? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The program offers different types of starters. They make the project\u2019s dependencies management a lot easier. When you add multiple starters, Spring identifies the compatible one and integrate it. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">How to run and stop executable Jar? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: For this, open CMD and input java \u2013jar. For example, $ java -jar myproject-0.0.1-SNAPSHOT.jar. To stop the executable Jar, use Ctrl+C. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">How to change the JDK version in this program? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The default JDK version is Java 1.6. However, you can overwrite the default compiler by adding the version property tag. For example, <\/span><\/p>\n<ol class=\"ol1\" style=\"text-align: justify;\">\n<li class=\"li2\"><span class=\"s1\">&lt;properties&gt;<\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">&lt;java.version&gt;1.8&lt;\/java.version&gt;<\/span><\/li>\n<li class=\"li2\"><span class=\"s1\">&lt;\/properties&gt;<\/span><\/li>\n<\/ol>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">What do you mean by Spring-Boot-Dev tools? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The spring applications which use Spring-Boot-Dev tools can automatically restart when their classpath changes. In general, it is a handy feature when you are working with the IDE. The reason is it offers faster feedback. <\/span><\/p>\n<ul class=\"ul1\" style=\"text-align: justify;\">\n<li class=\"li1\">\n<h4><span class=\"s1\">Can you explain about LiveReload? <\/span><\/h4>\n<\/li>\n<\/ul>\n<p class=\"p4\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The Dev Tools module comes with LiveReload server. It triggers the refresh rate of the browser when a resource changes. This browser extension is widely available for different browsers. For example, Firefox, Chrome, Safari and more. <\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">These are some of the primary spring interview questions for you. However, there are more such questions that you can find online. So, cover them all to crack your interview easily. <\/span><\/p>\n<blockquote>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">Preparing for Spring framework interview? Check out these <a href=\"https:\/\/www.whizlabs.com\/blog\/spring-framework-interview-questions\/\" target=\"_blank\" rel=\"noopener noreferrer\">top Spring framework interview questions<\/a> that will help you pass the spring interview.<\/span><\/p>\n<\/blockquote>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span class=\"s1\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">Moreover, with time, the demand for the Spring boot program is also increasing rapidly. It helps in developing your applications and running them as fast as possible. In this useful article, we covered the basics of spring boot program, its features, and why it is essential. Besides, you learned the significant difference between Spring and spring boot. The most important features of spring boot are <span class=\"s7\">Standalone, Auto-configuration, and Opinionated. <\/span><\/span><\/p>\n<p class=\"p2\" style=\"text-align: justify;\"><span class=\"s1\">So, if you are interested to learn Spring framework, enroll now for the <a href=\"https:\/\/www.whizlabs.com\/spring-framework-basics-video-course\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"s2\">Spring Framework Basics training course<\/span><\/a> and start your journey towards a bright career!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this tech world, Spring Framework is considered as one of the best and effective platforms to carry out different tasks. For example, developing different enterprise and web applications. Till now, Spring has introduced a lot of useful programs and Spring Boot is one of them. In this article, we will discuss some basics about spring boot, its examples, and more. Besides, here you will get to know some critical spring boot interview questions. Remember that, before obtaining knowledge about this useful program, you need to learn about XML and Java. If you&#8217;re planning to get a Spring certification, this [&hellip;]<\/p>\n","protected":false},"author":220,"featured_media":72697,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[2247,2248,2246,2249,2245,2250],"class_list":["post-72634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java-spring-boot","tag-spring-boot-example","tag-spring-boot-interview-questions","tag-spring-boot-security","tag-spring-framework","tag-spring-vs-spring-boot"],"uagb_featured_image_src":{"full":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",600,315,false],"thumbnail":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot-150x150.png",150,150,true],"medium":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot-300x158.png",300,158,true],"medium_large":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",600,315,false],"large":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",600,315,false],"1536x1536":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",600,315,false],"2048x2048":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",600,315,false],"profile_24":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",24,13,false],"profile_48":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",48,25,false],"profile_96":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",96,50,false],"profile_150":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",150,79,false],"profile_300":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",300,158,false],"tptn_thumbnail":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot-250x250.png",250,250,true],"web-stories-poster-portrait":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",600,315,false],"web-stories-publisher-logo":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",96,50,false],"web-stories-thumbnail":["https:\/\/www.whizlabs.com\/blog\/wp-content\/uploads\/2019\/08\/Introduction_to_Spring_Boot.png",150,79,false]},"uagb_author_info":{"display_name":"Aditi Malhotra","author_link":"https:\/\/www.whizlabs.com\/blog\/author\/aditi\/"},"uagb_comment_info":5,"uagb_excerpt":"In this tech world, Spring Framework is considered as one of the best and effective platforms to carry out different tasks. For example, developing different enterprise and web applications. Till now, Spring has introduced a lot of useful programs and Spring Boot is one of them. In this article, we will discuss some basics about&hellip;","_links":{"self":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/72634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/users\/220"}],"replies":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/comments?post=72634"}],"version-history":[{"count":8,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/72634\/revisions"}],"predecessor-version":[{"id":76833,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/72634\/revisions\/76833"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/media\/72697"}],"wp:attachment":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/media?parent=72634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/categories?post=72634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/tags?post=72634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}