🧑‍🏫 Spring Boot CRUD API Tutorial

Build a complete CRUD API using Spring Boot and MySQL—explained in Tamil for learners who want clarity, accessibility, and real-world backend skills.

📺 Watch the full tutorial: Spring Boot Crash Course in Tamil – YouTube

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🚀 What You’ll Build

• A RESTful API with full CRUD operations
• MySQL database integration
• Swagger documentation for endpoints
• Exception handling with custom messages
• Tamil-friendly explanations and ethical coding practices

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📦 Dependencies Used

Dependency	Purpose
spring-boot-starter-web	REST API development
spring-boot-starter-data-jpa	ORM and DB operations
mysql-connector-j	MySQL connectivity
springdoc-openapi-starter-webmvc-ui (v2.5.0)	Swagger UI for API docs
spring-boot-devtools	Hot reload during development
spring-boot-starter-test	Unit testing support

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Update your application.properties:

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

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📚 Learning Outcomes

By the end of this tutorial, you’ll be able to:

• ✅ Build and run a Spring Boot project from scratch
• ✅ Create REST controllers and endpoints
• ✅ Connect and query a MySQL database
• ✅ Handle exceptions gracefully
• ✅ Document APIs using Swagger
• ✅ Apply ethical values in your code (liberty, equality, fraternity, pluralism, respect)

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