[Solved] What is the main purpose of the @RestController annotation in Spring Boot? — Ans: To create a controller that returns data directly as JSON or XML | Spring Boot

Spring Boot - REST Controllers

What is the main purpose of the @RestController annotation in Spring Boot?

ATo create HTML views for web pages

BTo define a service class for business logic

CTo create a controller that returns data directly as JSON or XML

DTo configure database connections

Step-by-Step Solution

Solution:

Step 1: Understand the role of @RestController
@RestController is used to create REST APIs that return data directly, usually in JSON or XML format.
Step 2: Compare with other options
Creating HTML views is handled by MVC controllers, defining service classes by @Service, and configuring database connections elsewhere in Spring Boot.
Final Answer:
To create a controller that returns data directly as JSON or XML -> Option C
Quick Check:
@RestController = returns data directly [OK]

Quick Trick: Remember: @RestController returns data, not HTML pages [OK]

Common Mistakes:

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What is the main purpose of the @RestController annotation in Spring Boot?