Answer
Controllers handle incoming HTTP requests.
- Decorated with
[ApiController]and[Route] - Contain action methods
- Use dependency injection via constructor
- Return IActionResult or data objects
Quick Answer
Controllers group related API endpoints. Each controller class inherits ControllerBase and is decorated with [ApiController] and [Route("api/[controller]")]. Action methods handle specific HTTP verbs ([HttpGet], [HttpPost], [HttpPut], [HttpDelete]). [ApiController] enables automatic model validation, attribute routing, and better error responses. Return IActionResult or ActionResult for typed responses.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ