[Solved] Given this Spring Boot controller method:public ResponseEntity getData() { return ResponseEntity.ok() .header("X-Rate-Limit", "1000") .... }What headers will the client receive in the response? | Spring Boot

Spring Boot - Request and Response Handling

Given this Spring Boot controller method:

public ResponseEntity getData() {
    return ResponseEntity.ok()
        .header("X-Rate-Limit", "1000")
        .header("X-Request-ID", "abc123")
        .body("Success");
}

What headers will the client receive in the response?

ANo custom headers, only body 'Success'

BOnly X-Rate-Limit: 1000

COnly X-Request-ID: abc123

DX-Rate-Limit: 1000 and X-Request-ID: abc123

Step-by-Step Solution

Solution:

Step 1: Analyze header() calls in method
Two header() calls add "X-Rate-Limit" with "1000" and "X-Request-ID" with "abc123".
Step 2: Confirm both headers are included in response
ResponseEntity accumulates headers, so both custom headers are sent with the response.
Final Answer:
X-Rate-Limit: 1000 and X-Request-ID: abc123 -> Option D
Quick Check:
Multiple header() calls add multiple headers [OK]

Quick Trick: Multiple header() calls add all headers to response [OK]

Common Mistakes:

Assuming only last header() call applies
Thinking headers overwrite each other
Ignoring headers and focusing on body only

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More Spring Boot Quizzes

Given this Spring Boot controller method:

Step 1: Analyze header() calls in method

Step 2: Confirm both headers are included in response

Final Answer:

Quick Check:

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