[Solved] What is the main purpose of using ResponseEntity in a Spring Boot REST controller? — Ans: To control the HTTP status, headers, and body of the response | Spring Boot

Spring Boot - REST Controllers

What is the main purpose of using ResponseEntity in a Spring Boot REST controller?

ATo control the HTTP status, headers, and body of the response

BTo automatically map JSON to Java objects

CTo handle database transactions

DTo configure application properties

Step-by-Step Solution

Solution:

Step 1: Understand ResponseEntity role
ResponseEntity is designed to give full control over HTTP response details like status code, headers, and body.
Step 2: Compare with other options
Mapping JSON, handling transactions, or configuring properties are unrelated to ResponseEntity's purpose.
Final Answer:
To control the HTTP status, headers, and body of the response -> Option A
Quick Check:
ResponseEntity controls full HTTP response [OK]

Quick Trick: ResponseEntity controls status, headers, and body [OK]

Common Mistakes:

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What is the main purpose of using ResponseEntity in a Spring Boot REST controller?