Spring Boot Lab

Backend REST API built with Java, Spring Boot and MySQL for learning and practicing backend development concepts.

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About

This repository contains my studies and experiments with Spring Boot.

The current project is a REST API built with Java and Spring Boot, implementing CRUD operations for a Person entity. The goal is to practice backend development concepts such as layered architecture, RESTful APIs, dependency injection, exception handling, and database integration with JPA.

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Technologies

• Java 21
• Spring Boot 3.4
• Spring Data JPA
• MySQL
• Maven

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Features

• CRUD operations for Person entities
• RESTful API design
• Layered architecture (Controller → Service → Repository)
• Exception handling
• JPA/Hibernate integration
• Dependency Injection

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API Endpoints

Method	Endpoint
GET	/person
GET	/person/{id}
POST	/person
PUT	/person
DELETE	/person/{id}

Example Request

{
  "firstName": "Arthur",
  "lastName": "da Silva Mendes de Almeida"
  "address": "Rua A, Bahia",
  "gender": "Male"
}

Example Response

{
   "firstName": "Arthur",
   "lastName": "da Silva Mendes de Almeida"
   "address": "Rua A, Bahia",
   "gender": "Male"
}

Project Structure

src/main/java/com/thurdass/springboot_lab
├── controllers
├── services
├── repository
├── model
└── exception

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Running the Project

Clone the repository

git clone https://github.com/thurdass/springboot-lab.git
cd springboot-lab

Configure the database

Edit the application.properties file:

spring.datasource.url=jdbc:mysql://localhost:3306/springboot_lab
spring.datasource.username=root
spring.datasource.password=your_password
spring.jpa.hibernate.ddl-auto=update

Run the application

mvn spring-boot:run

The API will be available at:

http://localhost:8080

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Next Steps

• Bean Validation
• Spring Security + JWT
• Swagger / OpenAPI
• Unit Tests with JUnit
• Docker

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Author

Arthur Almeida

• GitHub: https://github.com/thurdass
• LinkedIn: https://linkedin.com/in/thurdas](https://www.linkedin.com/in/arthur-almeida-643a833b1/