Spring Boot Validation Explained | DTO, Mapper & Clean API Design

In this video, we’ll learn how to implement validation in Spring Boot using a clean and scalable approach. You’ll understand: How to add validation in Spring Boot Why validation should be applied on DTOs How to use @Valid with request DTOs How to map DTOs to entities using a mapper How to keep controller and service layers clean This approach helps you build production-ready APIs and avoid exposing entities directly. 📌 GitHub Code: https://github.com/pateluday07/spring-boot-practical Code is available in the spring-boot-practical repository under the "11-validation" branch. #SpringBoot #Validation #Java #BackendDevelopment #CleanCode #DTO #RESTAPI