Build Your First Spring Boot API — Full CRUD Step-by-Step

Build a Spring Boot REST API with full CRUD operations from scratch! Step-by-step Java backend tutorial for 2025. 🚀 Build a Spring Boot REST API with full CRUD operations from scratch! Step-by-step Java backend tutorial for 2025. 💻 Learn to create, read, update, and delete data using Spring Boot, Spring Data JPA, and test with Postman. 🛠️ In this comprehensive tutorial, you will learn how to: ⚙️ Set up a Spring Boot project for REST API development. 🧱 Create JPA Entities to model your data (Product entity). 🗄️ Build Spring Data JPA Repositories for database interactions. 🧠 Implement a Service layer to handle your business logic. 🕹️ Develop REST Controllers with Spring MVC, mapping all essential CRUD endpoints: ➕ POST: Create new products. 🔍 GET: Fetch all products, a single product by ID, products by category, by price, and search by name. 🔄 PUT: Update existing products. ❌ DELETE: Remove products. 🛣️ Understand and use Path Variables and Request Parameters. 🧪 Effectively test your REST API endpoints using Postman. 🔄 See the complete flow from HTTP request to database operation and back. 🚧 Identify common pitfalls like missing input validation (we'll tackle this in the next video!). 💻 Technologies Covered: - Java ☕ - Spring Boot (Spring Web, Spring Data JPA) 🌱 - Hibernate 🐻 - MySQL (or your chosen relational database) 🐬 - Postman 📮 - Maven 🛠️ 🧑‍💻 Who is this tutorial for? - Java developers eager to learn Spring Boot for backend development. - Anyone wanting to build robust RESTful APIs. - Students and professionals looking to enhance their web development skills. 🎓 - Beginners looking for a clear, step-by-step guide to CRUD operations. 🚶‍♂️➡️🚶‍♀️ 💡 What's Next? At the end of this video, we demonstrate creating a product with invalid data (like a negative price). This highlights the importance of server-side validation! ➡️ In our next video, we will dive deep into adding robust input validation to this Spring Boot API to make it production-ready. Make sure to subscribe so you don't miss it! 🔔 🔗 BONUS 💻 Get 3 Months of IntelliJ IDEA Ultimate for FREE: https://www.jetbrains.com/store/redeem/ 👉 *Use Promo Code:* LearnWithIfte ✅ For branding and Business inquiries ► learnwithiftekhar@gmail.com ► Join Discord: https://discord.gg/JZmFvSxw 🎯🎯 *Subscribe to my Newsletter:* https://learnwithiftekhar.substack.com/ 📘 Resources Mentioned: 🧑‍💻 Source Code: https://github.com/learnwithiftekhar/spring-boot-crud-rest-api 🙊 Here are the tools and resources I use in my videos: 👉 Master programming by recreating your favorite technologies: https://app.codecrafters.io/join?via=learnwithiftekhar ► Tool that I use for screen recording: CleanShot X for Mac * cleanshot.sjv.io/bODOab ⛔ Background sound: https://share.epidemicsound.com/ia954g 💻 *Running Windows on Mac? Get Parallels Desktop with a 20% discount!* 👉 *Use code PARALLELS20 and grab it here:* https://parallels.sjv.io/bOVD3M IDE I use for coding * IntelliJ Idea Ultimate * VsCode * Sublime Contents: 00:00 Intro 00:42 Creating Spring Boot project 03:03 Project Structure 05:52 Start the project for the first time 06:40 Configuring the project for the database connection 09:52 Create the very first REST Endpoint 11:16 Create necessary packages 11:51 Create Entity 15:38 Create Product Repository 17:35 Defining Query Methods 21:55 Creating Service 27:38 Implement Product Controller 🌐 Secure your connection with NordVPN: https://nordvpn.sjv.io/o4zYan 🤚 In case you want to contact me: ❌ My LinkedIn profile: https://www.linkedin.com/in/hossain-md-iftekhar/ ❌ My X / Twitter profile: https://twitter.com/ifte_hsn ❌ Github: Github: https://github.com/learnwithiftekhar *Note:* Some of the links in this description are affiliate links, and I may earn a small commission if you make a purchase through them. Thank you for your support.