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:   / discord   🎯🎯 Subscribe to my Newsletter: https://learnwithiftekhar.substack.com/ 📘 Resources Mentioned: 🧑‍💻 Source Code: https://github.com/learnwithiftekhar/... 🙊 Here are the tools and resources I use in my videos: 👉 Master programming by recreating your favorite technologies: https://app.codecrafters.io/join?via=... ► 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:   / hossain-md-iftekhar   ❌ My X / Twitter profile:   / 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.