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Spring Boot 4 Microservices & REST APIs · Lesson

CRUD Operations with REST

Implement Create, Read, Update, and Delete operations for your entities via REST endpoints.

CRUD Operations: The Basics

Welcome to implementing CRUD operations with Spring Boot! CRUD stands for Create, Read, Update, and Delete.

These are the four fundamental operations for persistent storage, allowing you to manage data in your application.

In REST APIs, each CRUD operation typically maps to a specific HTTP method.

Mapping CRUD to HTTP Methods

Understanding how CRUD maps to HTTP methods is key for RESTful design:

  • Create (C): Handled by POST requests.
  • Read (R): Handled by GET requests.
  • Update (U): Handled by PUT requests.
  • Delete (D): Handled by DELETE requests.

We'll use a simple Product entity and its ProductRepository from previous lessons.

All lessons in this course

  1. Integrating H2 Database & JPA
  2. Introduction to Spring Data JPA
  3. Creating Entities & Repositories
  4. Defining Entities & Repositories
  5. CRUD Operations with REST
  6. Performing CRUD Operations
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