Session 82 – Part 4 | Spring Data JPA Update & Delete

Описание: 🚀 Session 82 – Part 4 | Spring Data JPA (Industry Standard) | Update & Delete REST APIs

#SpringBoot #SpringDataJPA #CRUD #RESTAPI #JavaFullStack

Welcome to Session 82 – Part 4 of the Java Full Stack Made Easy series!

In this session, we complete the CRUD cycle by implementing UPDATE and DELETE APIs using Spring Data JPA, following real-world, industry-standard architecture.

We continue working with the SuperHero entity and use:

Service & ServiceImpl

DTOs using Java Records

Clean controller design

Modern ResponseEntity approach

✅ Topics Covered
🔹 UPDATE API (PUT)

Fetch entity using findById()

Update fields safely

Save updated entity using save()

Return clean response using DTO

🔹 DELETE API (DELETE)

Delete SuperHero by ID

Using deleteById()

Handling delete response properly

🔹 Service Layer Best Practices

Business logic inside service layer

Controller stays thin and readable

Reusable and testable code structure

🔹 Modern REST Practices

Proper HTTP methods (PUT, DELETE)

ResponseEntity.ok()

Clean and meaningful API responses

🎯 What You Will Learn

How UPDATE works internally in JPA

How DELETE operations are handled

How to write complete CRUD APIs professionally

How real-world Spring Boot projects are structured

🛠 Technologies Used

Java

Spring Boot

Spring Data JPA

MySQL

Java Records (DTOs)

REST APIs

📺 Watch the full playlist:

👉    • Java Full Stack Made easy  

💻 Source Code:

👉 http://github.com/shahdbest/java_full...

📲 Connect on LinkedIn:

👉   / shahid-killedar-719a51127  

👍 If this session helped you, Like, Share & Subscribe
🎉 With this session, Spring Data JPA CRUD (Industry Standard) is now COMPLETE!

📌 Next Session: Exception Handling, Validation & Global Error Handling in Spring Boot

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