Session 81 – Spring Boot REST API | Complete CRUD using ArrayList | No Database

Publicado el: 24 diciembre 2025
en el canal de: java full stack made easy

🚀 Session 81 – Spring Boot REST API | Complete CRUD using ArrayList | No Database

#SpringBoot #RESTAPI #CRUD #JavaFullStack #ArrayList

Welcome to Session 81 of the Java Full Stack Made Easy series!

In this session, we build a complete CRUD REST API using Spring Boot with an ArrayList as in-memory storage.
This is perfect for understanding REST fundamentals before moving to databases like MySQL or MongoDB.

✅ Topics Covered
🔹 CRUD Operations using ArrayList

Create data using POST API

Read all records using GET API

Read single record using ID

Update record using PUT API

Delete record using DELETE API

🔹 REST Best Practices

Proper HTTP methods

Clean URL design

Using ResponseEntity

Sending correct HttpStatus codes

📂 What You Will Learn

How CRUD works internally in REST APIs

How to manage data without a database

How controllers handle in-memory data

Strong foundation for database-backed APIs

🛠 Technologies Used

Java

Spring Boot

REST APIs

ArrayList (In-Memory Data)

📺 Watch the full playlist:

👉 • Java Full Stack Made easy

💻 Source Code:

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

📲 Connect on LinkedIn:

👉 / shahid-killedar-719a51127

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