Spring Rest — Plus

: Implement a global exception handler (using @ControllerAdvice ) to return consistent error responses when a POST fails. Consuming POST Services

: Return a 201 Created status for successful creations rather than a generic 200 OK . Spring REST

: A specialized version of @RequestMapping specifically for HTTP POST requests. Spring REST

: Combines @Controller and @ResponseBody , signaling that the class handles web requests and returns data (like JSON) directly. Spring REST

: Maps the incoming HTTP request body directly to a Java object, automatically handling deserialization (usually from JSON) via libraries like Jackson .