Spring Validation in Spring Boot | Bean Validation Explained with Example

Publicado el: 29 junio 2026
en el canal de: Dev WIth Pradeep

Welcome to Lecture 5 of the Spring Boot Tutorial Series!

In this video, you'll learn Spring Validation in Spring Boot and how to validate incoming request data using Bean Validation annotations like @Valid, @NotNull, @NotBlank, @Email, @Size, and more.

Input validation is an essential part of building secure and reliable REST APIs. By the end of this tutorial, you'll be able to validate request bodies, handle validation errors, and return clean error responses in your Spring Boot applications.

📚 Topics Covered
What is Validation in Spring Boot?
Why Validation is Important
Bean Validation (Jakarta Validation)
Adding Validation Dependency
@Valid Annotation Explained
Common Validation Annotations
@NotNull
@NotBlank
@NotEmpty
@Email
@Size
@Min
@Max
@Pattern
Validate Request Body
Custom Validation Messages
Handle Validation Exceptions
Return Clean Error Responses
Best Practices for Spring Boot Validation
💻 Technologies Used
Java
Spring Boot
Spring Web
Spring Validation
Maven
IntelliJ IDEA
Postman

🔥 This video is perfect for:

Spring Boot Beginners
Java Backend Developers
REST API Developers
Students Preparing for Java Interviews
Anyone Learning Spring Boot from Scratch

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