The latest articles on DEV Community by Likitha Chendrimada Suguna (@likitha_chendrimada). https://dev.to/likitha_chendrimada https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3962859%2Fc3f8e7f1-da1d-4f6e-8fab-cd90c7f52a2f.png https://dev.to/likitha_chendrimada en Likitha Chendrimada Suguna Thu, 11 Jun 2026 07:19:28 +0000 https://dev.to/likitha_chendrimada/how-i-learned-spring-boot-in-30-days-a-students-journey-5ii https://dev.to/likitha_chendrimada/how-i-learned-spring-boot-in-30-days-a-students-journey-5ii <p>As a Computer Science Engineering student, I always heard that Spring Boot was one of the most important skills for Java developers. Companies use it to build scalable web applications, microservices, and enterprise software. However, when I first looked at Spring Boot, it seemed overwhelming.</p> <p>Instead of getting intimidated, I decided to dedicate 30 days to learning it consistently. This article shares my learning roadmap, challenges, and lessons from that journey.</p> <h2> Why I Decided to Learn Spring Boot </h2> <p>Before learning Spring Boot, I knew Java but had little experience building backend applications. I wanted to:</p> <ul> <li>Build real-world projects</li> <li>Learn how REST APIs work</li> <li>Understand backend development</li> <li>Prepare for internships and placements</li> <li>Strengthen my Java skills</li> </ul> <p>Spring Boot seemed like the ideal framework to achieve these goals.</p> <h2> Week 1: Understanding the Basics </h2> <p>During the first week, I focused on understanding the foundation.</p> <h3> Topics Covered </h3> <ul> <li>Spring vs Spring Boot</li> <li>Project structure</li> <li>Maven dependencies</li> <li>Controllers</li> <li>REST APIs</li> <li>HTTP methods (GET, POST, PUT, DELETE)</li> </ul> <h3> What I Learned </h3> <p>The biggest realization was that Spring Boot removes a lot of configuration work. Instead of spending hours setting up a project, I could start building features immediately.</p> <p>My first achievement was creating a simple REST API that returned data successfully.</p> <h2> Week 2: Working with Databases </h2> <p>Once I understood APIs, I moved on to database integration.</p> <h3> Topics Covered </h3> <ul> <li>MySQL</li> <li>Spring Data JPA</li> <li>Hibernate</li> <li>Entity classes</li> <li>Repository layer</li> <li>CRUD operations</li> </ul> <h3> Challenges </h3> <p>Connecting the application to the database was initially confusing. Understanding entities, repositories, and relationships took time.</p> <p>After several experiments, I successfully built a complete CRUD application.</p> <h2> Week 3: Advanced Concepts </h2> <p>This week focused on writing cleaner and more professional applications.</p> <h3> Topics Covered </h3> <ul> <li>Service layer architecture</li> <li>DTOs</li> <li>Validation</li> <li>Exception handling</li> <li>Logging</li> <li>Pagination and sorting</li> </ul> <h3> Key Learning </h3> <p>I learned that building software is not just about making it work. It is also about making it maintainable, scalable, and easy to understand.</p> <h2> Week 4: Building Real Projects </h2> <p>The final week was dedicated to applying everything I had learned.</p> <h3> Topics Covered </h3> <ul> <li>Spring Security basics</li> <li>JWT Authentication</li> <li>Swagger Documentation</li> <li>File Upload APIs</li> <li>Deployment concepts</li> </ul> <h3> Project Built </h3> <p>To test my knowledge, I created a complete backend application with:</p> <ul> <li>Authentication</li> <li>Database integration</li> <li>CRUD operations</li> <li>Validation</li> <li>Exception handling</li> </ul> <p>This project gave me confidence that I could build real-world backend applications.</p> <h2> Biggest Challenges I Faced </h2> <h3> 1. Too Many Annotations </h3> <p>Initially, annotations like <code>@RestController</code>, <code>@Service</code>, and <code>@Autowired</code> felt confusing.</p> <h3> 2. Understanding JPA </h3> <p>Learning how entities interact with databases required practice.</p> <h3> 3. Debugging Errors </h3> <p>Most of my learning happened while fixing errors and reading stack traces.</p> <h2> Lessons Learned </h2> <h3> Learn by Building </h3> <p>Watching tutorials alone is not enough. Real understanding comes from creating projects.</p> <h3> Don't Memorize </h3> <p>Focus on understanding why something works instead of memorizing annotations.</p> <h3> Practice Daily </h3> <p>Even one hour of consistent learning each day creates significant progress.</p> <h3> Make Mistakes </h3> <p>Many concepts became clear only after I broke things and fixed them.</p> <h2> Resources That Helped Me </h2> <ul> <li>Official Spring Boot Documentation</li> <li>YouTube Tutorials</li> <li>Stack Overflow</li> <li>DEV Community Articles</li> <li>Hands-on Projects</li> </ul> <h2> Final Thought </h2> <p>Learning Spring Boot in 30 days was one of the best decisions I made as a student. It improved my Java skills, introduced me to backend development, and gave me the confidence to build complete applications.</p> <p>If you're a student wondering whether Spring Boot is worth learning, my answer is yes. Start small, stay consistent, and build projects. You'll be surprised by how much you can learn in just 30 days.</p> <p>Have you started learning Spring Boot? Share your experience in the comments.</p> springboot java fullstack backend