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Chapter 18: Spring Boot POST REST API — @PostMapping Annotation | Spring Boot Course
Previous Chapter:
Introduction
In this chapter, we will cover the @PostMapping
and @RequestBody
annotations in Spring Boot.
The @PostMapping
annotation is used to handle HTTP POST requests, while the @RequestBody
annotation is used to bind the request body to a method parameter.
We will create endpoints to create resources using these annotations, focusing on the Employee entity as our primary example.
Understanding @PostMapping and @RequestBody Annotations
What is @PostMapping?
The @PostMapping
annotation in Spring Boot is used to create a mapping between HTTP POST requests and handler methods in a controller. It is a specialized version of the @RequestMapping
annotation designed specifically for handling POST requests.
How @PostMapping Works
When a client sends an HTTP POST request to a specified URL, the @PostMapping
annotation maps this request to a specific handler method in the controller. The method processes the…