[Solved] You want to return a JSON response with status 202 Accepted, a custom header "X-Request-ID" set to "abc123", and a body containing a Map with key... Which code snippet correctly achieves this? | Spring Boot

Spring Boot - REST Controllers

You want to return a JSON response with status 202 Accepted, a custom header "X-Request-ID" set to "abc123", and a body containing a Map with key "message" and value "Processing". Which code snippet correctly achieves this?

Areturn ResponseEntity.status(HttpStatus.ACCEPTED) .header("X-Request-ID", "abc123") .body(Map.of("message", "Processing"));

Breturn ResponseEntity.body(Map.of("message", "Processing")) .header("X-Request-ID", "abc123") .status(HttpStatus.ACCEPTED);

Creturn new ResponseEntity<>(Map.of("message", "Processing"), HttpStatus.ACCEPTED, Map.of("X-Request-ID", "abc123"));

Dreturn ResponseEntity.create(HttpStatus.ACCEPTED, Map.of("message", "Processing")) .header("X-Request-ID", "abc123");

Step-by-Step Solution

Solution:

Step 1: Use correct builder pattern
ResponseEntity builder requires calling status() first, then header(), then body().
Step 2: Validate options
return ResponseEntity.status(HttpStatus.ACCEPTED) .header("X-Request-ID", "abc123") .body(Map.of("message", "Processing")); follows correct chaining and uses Map.of for body. return ResponseEntity.body(Map.of("message", "Processing")) .header("X-Request-ID", "abc123") .status(HttpStatus.ACCEPTED); calls body() first, invalid order. return new ResponseEntity<>(Map.of("message", "Processing"), HttpStatus.ACCEPTED, Map.of("X-Request-ID", "abc123")); uses a constructor with three arguments which does not exist. return ResponseEntity.create(HttpStatus.ACCEPTED, Map.of("message", "Processing")) .header("X-Request-ID", "abc123"); uses a non-existent create() method.
Final Answer:
return ResponseEntity.status(HttpStatus.ACCEPTED) .header("X-Request-ID", "abc123") .body(Map.of("message", "Processing")); -> Option A
Quick Check:
status() -> header() -> body() chaining [OK]

Quick Trick: Chain status(), then header(), then body() for full control [OK]

Common Mistakes:

Calling body() before status()
Using non-existent ResponseEntity constructors
Trying to use create() method which doesn't exist

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Which code snippet correctly achieves this?

Step 1: Use correct builder pattern

Step 2: Validate options

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