All about ResponseEntity in Spring Boot - java
What is the ResponseEntity in spring boot? ResponseEntity is a powerful and flexible class in Spring Boot that represents the entire HTTP response, including status code, headers, and body. It is part of the Spring Framework's org.springframework.http package and is typically used in RESTful web services built with Spring Boot to provide more control over the HTTP responses sent back to the client. Key Features of ResponseEntity : HTTP Status Code : ResponseEntity allows you to set the HTTP status code of the response, such as 200 OK , 404 Not Found , 500 Internal Server Error , etc. Response Headers : You can set custom HTTP headers in the response. This is useful for sending metadata back to the client, such as content type, authorization tokens, caching information, etc. Response Body : ResponseEntity can also include a response body, which can be any Java object. Spring Boot automatically serializes this object to the appropriate format (like JSON or XML) based on the Cont...