api-validation

Introduction

This demo spring boot project demonstrates how to do

• Use built in validation annotation in jakarta.validation.constraints package
• Create your own custom validation annotation and its processor
• Use result of validation in controller class
• Configure h2 database for demo purpose
• Create custom exception handler
• Implement org.springframework.boot.CommandLineRunner as data feeder to h2 database

Instruction

To connect to h2 console visit following link http://localhost:8080/h2-console