Your First JPA Entity — @Entity Explained | Day 54

Day 54 of the Java Backend Development + Spring Boot course. Vocabulary's sorted. Today you write real JPA code for the first time. In this video, you'll build: A complete Student entity, mapped directly to Day 12's students table @Entity, @Table, @Id, @GeneratedValue, and @Column, one by one Why a nullable foreign key needs Integer, not int (Day 15's lesson, applied again) A real, concrete look at Entity vs. DTO — not just theory this time This is Lesson 54 of Phase 5. Your entity still can't save or fetch anything yet — that's Day 55. 📌 Previous — Day 53: JPA vs Hibernate vs Spring Data JPA 📌 Next up — Day 55: JpaRepository & CRUD 📚 Recommended Resources 📖 Spring in Action (5th Edition) — Craig Walls 👉 https://www.amazon.in/Spring-Action-F... As an Amazon Associate, I earn from qualifying purchases. 🛒 Recommended Coding Setup 💻 Laptop for Coding 👉 https://www.amazon.in/ASUS-Vivobook-i... ⌨️ Mechanical Keyboard 👉 https://www.amazon.in/dp/B07989JYRS?t... 🖱️ Wireless Mouse 👉 https://www.amazon.in/Logitech-Silent... 🎧 Headphones / Headset 👉 https://www.amazon.in/boAt-Rockerz-42... As an Amazon Associate I earn from qualifying purchases. #JavaBackend #SpringBoot #JPA #LearnJava