Spring Boot - Integrating Hibernate and JPA

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data-gfg-action="report-article" onclick="report_article();"> <i class="gfg-icon gfg-icon_report"></i> <span>Report</span> </div> </div>  </div> <div class="article--viewer_Gnews tooltip"> <a class="three_dot_dropdown_inner_div Gnews_wrapper" href ='https://news.google.com/publications/CAAqBwgKMLTrzwsw44bnAw?hl=en-IN&gl=IN&ceid=IN%3Aen' target="_blank"> <img class="gfg-icon_Gnews no-zoom-in-cursor" src=https://media.geeksforgeeks.org/auth-dashboard-uploads/Google-news.svg loading="lazy" alt="News"></img> <span class='kebab_menu_news_text'>Follow</span> </a> </div> </div> </div> <div class="text"> <p>Spring Boot is built on the top of the spring and contains all the features of spring. And is becoming a favorite of developers these days because of its rapid production-ready environment which enables the developers to directly focus on the logic instead of struggling with the configuration and setup. Spring Boot is a microservice-based framework and making a production-ready application in it takes very little time.</p> <p><strong>In this article we learn:</strong></p><div id="GFG_AD_gfg_mobile_336x280" style="margin: 5px 0;"></div> <ul> <li>What are JPA and Hibernate?</li> <li>How does JPA Work?</li> <li>How to integrate the SpringBoot project with Hibernate and JPA.</li> </ul> <p><strong>JPA(Java Persistence API): </strong>JPA is like a bridge between the Spring application Models and the relational database that is used for managing and accessing the data between the Object-Oriented models of the Spring application and the database. In simple terms, we have to define all methods for inserting the records in the MySQL table if we don’t use the JPA. JPA doesn’t perform any kind of specific operations it provides various types of methods without implementation, just like an interface that contains various methods like counting the records, deleting the specific record. etc.</p> <p><strong>Hibernate </strong>is a java framework and ORM (Object Relation Mapping)  tool that is used to provide the implementation of the JPA methods.</p> <p><strong>How does JPA Work?</strong></p> <p>JPA is an abstraction that is used to map the java object with the database. It contains different structures of the methods that are used for manipulating the table record and also provides the SQL queries for specific operations.</p> <p style="text-align:center"><strong>How to Integrate the SpringBoot project with Hibernate and JPA</strong></p><div id="GFG_AD_Desktop_InContent_ATF_336x280" style="text-align:center; max-height: 280px;"></div><div id="GFG_AD_gfg_mobile_336x280_1" style="margin: 5px 0;"></div> <p><strong>Step By Step Implementation</strong></p><div id="_GFG_ABP_Incontent_728x90" style="text-align:center;"></div> <ol> <li>Go to Spring Initializr</li> <li>Fill in the details as per the requirements</li> <li>Click on Generate which will download the starter project</li> <li>Extract the zip file</li> </ol> <p><strong>Create a project using the spring</strong> <strong>initializer</strong>.</p> <p><img src="https://media.geeksforgeeks.org/wp-content/uploads/20211212095800/newjps.png" width="1016"></p> <p><strong>pom.xml file:</strong></p> <div class="noIdeBtnDiv"> <div class="responsive-tabs"> <h2 class="tabtitle">XML</h2> <div class="tabcontent"> </p> <div class="code-block"> <div class="code-gutter"> <div class="editor-buttons-container"> <div class="editor-buttons"> <div class="editor-buttons-div" title="Run and Edit"> <i id="copy-code-button" title="Copy Code" class="gfg-icon gfg-icon_copy code-sidebar-button padding-2px copy-code-button"></i></p> <div id = "run-and-edit-loader" class="ring-load"></div> <p> <i id="run-and-edit-button" title="Edit Code" lang="xml" class="gfg-icon gfg-icon_edit_1 padding-2px code-sidebar-button"></i><br /> <i id="close-code-editor-button" title="Close Editor" class="gfg-icon gfg-icon_close-editor padding-2px code-sidebar-button close-code-editor-button"></i></p> <div id = "run-code-loader" class="ring-load"></div> <p> <i id="run-code-button" lang="xml" title="Run Code and See Output" class="gfg-icon gfg-icon_play padding-2px code-sidebar-button"></i></p> <div id = "generate-url-loader" 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number38 index37 alt1"><code class="undefined spaces">        </code><code class="plain"></</code><code class="keyword">dependency</code><code class="plain">> </code></div> <div class="line number39 index38 alt2"><code class="undefined spaces">    </code><code class="plain"></</code><code class="keyword">dependencies</code><code class="plain">> </code></div> <div class="line number40 index39 alt1"><code class="undefined spaces"> </code> </div> <div class="line number41 index40 alt2"><code class="undefined spaces">    </code><code class="plain"><</code><code class="keyword">build</code><code class="plain">> </code></div> <div class="line number42 index41 alt1"><code class="undefined spaces">        </code><code class="plain"><</code><code class="keyword">plugins</code><code class="plain">> </code></div> <div class="line number43 index42 alt2"><code class="undefined spaces">            </code><code class="plain"><</code><code class="keyword">plugin</code><code class="plain">> </code></div> <div class="line number44 index43 alt1"><code class="undefined spaces">                </code><code class="plain"><</code><code class="keyword">groupId</code><code class="plain">>org.springframework.boot</</code><code class="keyword">groupId</code><code class="plain">> </code></div> <div class="line number45 index44 alt2"><code class="undefined spaces">                </code><code class="plain"><</code><code class="keyword">artifactId</code><code class="plain">>spring-boot-maven-plugin</</code><code class="keyword">artifactId</code><code class="plain">> </code></div> <div class="line number46 index45 alt1"><code class="undefined spaces">            </code><code class="plain"></</code><code class="keyword">plugin</code><code class="plain">> </code></div> <div class="line number47 index46 alt2"><code class="undefined spaces">        </code><code class="plain"></</code><code class="keyword">plugins</code><code class="plain">> </code></div> <div class="line number48 index47 alt1"><code class="undefined spaces">    </code><code class="plain"></</code><code class="keyword">build</code><code class="plain">> </code></div> <div class="line number49 index48 alt2"><code class="undefined spaces"> </code> </div> <div class="line number50 index49 alt1"><code class="plain"></</code><code class="keyword">project</code><code class="plain">> </code></div> </div> </td> </tr> </tbody> </table> </div></div> <div class="code-editor-container"></div> </p></div> <div class="code-output-container"> <div class = "output-block"> <i id="output-icon" title="Output" class="gfg-icon gfg-icon_arrow-right-editor padding-2px code-sidebar-button output-icon"></i></p> <pre class="output-pre"></pre> </p></div> <div class = "ide-link-div"> <i id="copy-url-button" title="Copy Generated Ide URL" class="gfg-icon gfg-icon_copy padding-2px code-sidebar-button copy-url-button"></i></p> <pre id="ide-url"></pre> </p></div> </p></div> </div></div></div> <p>Extract the zip file. Now open a suitable IDE and then go to File -> New -> Project from existing sources -> Springbootapp and select pom.xml. Click on import changes on prompt and wait for the project to sync.</p> <p><img src="https://media.geeksforgeeks.org/wp-content/uploads/20200519021758/importproject.jpg"></p> <blockquote> <p><strong>Note</strong>: In the Import Project for Maven window, make sure you choose the same version of JDK which you selected while creating the project.</p> </blockquote> <p>For database operation we have to configure the Spring application with the database also it is required to add configuration of the database before executing the Spring project. If we try to run the Spring application that contains JPA dependency with adding the configuration of the database it causes an error. <strong>Running the project without database configuration:</strong></p> <p><strong>Run the SpringBootAppApplication:</strong></p> <p><img src="https://media.geeksforgeeks.org/wp-content/uploads/20211212140550/newjps.png" width="792"></p> <p><strong>Configuring the Spring application with the database:</strong></p> <p><strong>application.properties file:</strong></p> <pre>spring.datasource.url=jdbc:mysql://localhost:3306/user spring.datasource.username=root spring.datasource.password=Aayush spring.jpa.hibernate.ddl-auto=update </pre> <p> Now run the Spring Boot application after configuration these properties: </p> <p><img src="https://media.geeksforgeeks.org/wp-content/uploads/20211212140947/newjps.png"></p> <br/><div id="AP_G4GR_6"></div> <div class='article_bottom_text'></div><br> <div id="video-tab-content" class="video-tab-content"> <div style="text-align: center; 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align-items: center; border-radius: 0px 10px 10px 0px; height: 80px; width: calc(100% - 80px); } .popup-main .exp-card1 { justify-content: flex-start; background: var(--write-experience-card-1); } .popup-main .exp-card2 { justify-content: flex-start; background: var(--write-experience-card-2); } .popup-main .exp-card3 { justify-content: flex-start; background: var(--write-experience-card-3); } .popup-main .exp-card4 { justify-content: flex-start; background: var(--write-experience-card-4); } .popup-main .exp-card5 { justify-content: flex-start; background: var(--write-experience-card-5); } .popup-main .exp-card6 { justify-content: flex-start; background: var(--write-experience-card-6); } .popup-main span { font-family: var(--font-primary); font-size: 14px; font-style: normal; font-weight: 500; line-height: normal; padding-left: 5px; padding-right: 5px; } #popup { display: none; background-color: var(--write-modal-background); padding: 20px; text-align: center; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1026; width: min(650px, calc(100% - 20px)); } .link-container-write{ display:flex; flex-direction:column; } .link-container-write > a { margin:7px 0px; } .phrase__container{ color:var(--color-gfg); border-radius: 6px; width: 100%; background-color:var(--write-redirect-container); padding: 15px; text-align: justify; font-size:14px; } .phrase__container:hover { color:var(--color-gfg) !important; background-color:var(--write-redirect-container-hover); } </style> <div class="popup-container"> <div id="popup" accesskey="" class="popup-main"> <div class="popup-heading"> <h2>What kind of Experience do you want to share?</h2> <div class="close-icon share-experience-modal-close"></div> </div>  <div class="experience-card"> <a class="exp-card5" href= "https://write.geeksforgeeks.org/posts-new?cid=e8fc46fe-75e7-4a4b-be3c-0c862d655ed0" target="_blank"> <div class="icon5"> <div class="icon5-image"></div> </div> <div class="exp-card5-text"> <span style="color: #000;">Interview Experiences</span> </div> </a> <a class="exp-card1" href="https://write.geeksforgeeks.org/posts-new?cid=82536bdb-84e6-4661-87c3-e77c3ac04ede" target="_blank"> <div class="icon1"> <div class="icon1-image"></div> </div> <div class="exp-card1-text"> <span style="color: #000;">Admission Experiences</span> </div> </a> <a class="exp-card6" href= "https://write.geeksforgeeks.org/posts-new?cid=5219b0b2-7671-40a0-9bda-503e28a61c31" target="_blank"> <div class="icon6"> <div class="icon6-image"></div> </div> <div class="exp-card6-text"> <span style="color: #000;">Career Journeys</span> </div> </a> <a class="exp-card2" href="https://write.geeksforgeeks.org/posts-new?cid=22ae3354-15b6-4dd4-a5b4-5c7a105b8a8f" target="_blank"> <div class="icon2"> <div class="icon2-image"></div> </div> <div class="exp-card2-text"> <span style="color: #000;">Work Experiences</span> </div> </a> <a class="exp-card3" href= "https://write.geeksforgeeks.org/posts-new?cid=c5e1ac90-9490-440a-a5fa-6180c87ab8ae" target="_blank"> <div class="icon3"> <div class="icon3-image"></div> </div> <div class="exp-card3-text"> <span style="color: #000;">Campus Experiences</span> </div> </a> <a class="exp-card4" href= "https://write.geeksforgeeks.org/posts-new?cid=5ebb8fe9-b980-4891-af07-f2d62a9735f2" target="_blank"> <div class="icon4"> <div class="icon4-image"></div> </div> <div class="exp-card4-text"> <span style="color: #000;">Competitive Exam Experiences</span> </div> </a> </div>  </div> <div id="overlay" onclick="toggleExperiencePopup()" style="display: block;min-height: 100vh;min-width: 100vw;position: fixed;top: 0;bottom: 0;right: 0;left: 0;display: none;justify-content: center;align-items: center;background: rgba(0,0,0,.702);z-index: 1025 !important;backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);word-break: keep-all;"></div> </div> <script> $('.share-experience-modal').click(function(e){ e.preventDefault(); var link = $(this).attr('href'); toggleExperiencePopup(link); }); function toggleExperiencePopup(link) { var popup = document.getElementById("popup"); var overlay = document.getElementById("overlay"); if (window.innerWidth < 992) { window.location.href = link; } else { popup.style.display = (popup.style.display === "block") ? "none" : "block"; overlay.style.display = (overlay.style.display === "block") ? "none" : "block"; } } $('.share-experience-modal-close').click(function(e){ var popup = document.getElementById("popup"); popup.style.display = 'none'; var overlay = document.getElementById("overlay"); overlay.style.display = 'none'; }); </script> </div><script type="text/javascript"> $(window).on('load', function() { (function(c,l,a,r,i,t,y){ c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)}; t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i; y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y); })(window, document, "clarity", "script", "ayc7ypwwuk"); }); </script>  </body> </html>

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