Path Variable Validation in Spring Boot REST API | REST API PathVariable Validation Made Easy

In this YouTube tutorial, we will explore how to create a Spring Boot REST API with PathVariable validation. Path variables are a crucial part of RESTful web services as they allow us to pass dynamic data within the URL. However, it's essential to validate this data to ensure the integrity and security of our API.

**Key Highlights of this Tutorial:**

1. **Introduction to Path Variables:**
- We'll start by understanding what path variables are and why they are essential in RESTful APIs.

2. **Setting Up a Spring Boot Project:**
- We'll guide you through creating a Spring Boot project or using an existing one if you have it. Proper project setup is crucial for integrating PathVariable validation effectively.

3. **Creating a REST Controller:**
- You'll learn how to create a REST controller that handles requests with path variables. We'll define endpoints that accept dynamic data.

4. **PathVariable Validation Annotations:**

5. **Handling Validation Errors:**
- We'll demonstrate how to handle validation errors gracefully. You'll see how to send appropriate error responses when validation fails, providing meaningful feedback to clients.

6. **Testing with Postman:**
- To validate our implementation, we'll use Postman, a popular API testing tool. You'll learn how to send requests with valid and invalid path variables and observe the responses.

7. **Advanced Validation (Optional):**
- For more advanced users, we'll delve into creating custom validation rules using custom annotations and validators. This allows you to define complex validation logic tailored to your specific requirements.

8. **Conclusion and Best Practices:**
- By the end of this tutorial, you'll have a solid understanding of how to perform PathVariable validation in Spring Boot RESTful APIs. We'll also discuss best practices for maintaining clean and robust validation code.

Whether you're a beginner or an experienced developer looking to enhance your Spring Boot skills, this tutorial will provide you with valuable insights into ensuring data integrity in your RESTful APIs when working with path variables. Join us in this journey to become proficient in Spring Boot PathVariable validation!

Path Variable Validation in Spring Boot REST API | REST API PathVariable Validation Made Easy | Spring Boot REST API Example for PathVariable validation Example

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[sandeepmalviya]

I had some confusion in @Validated annotation, today it is cleared. Thank you

[rojamaniadigopula]

How to vidate if we gave string as Id?