java / beginner
Snippet
Customizing Responses with ResponseEntity
ResponseEntity allows you to fully customize the HTTP response, including status codes, headers, and the body.
snippet.java
java
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@GetMapping("/check")public ResponseEntity<String> checkStatus() {return ResponseEntity.status(HttpStatus.OK).header("X-Custom-Header", "Valid").body("System is operational");}
spring
Breakdown
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ResponseEntity<String>
Wraps the response body and metadata.
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.status(HttpStatus.OK)
Sets the HTTP status code (e.g., 200 OK).