[Solved] Why does springdoc-openapi generate API documentation automatically without manual JSON/YAML files? — Ans: It scans Spring MVC annotations and builds OpenAPI spec dynamically. | Spring Boot

Spring Boot - API Documentation

Why does springdoc-openapi generate API documentation automatically without manual JSON/YAML files?

AIt requires manual JSON files but caches them internally.

BIt scans Spring MVC annotations and builds OpenAPI spec dynamically.

CIt uses database schema to generate API docs.

DIt converts SOAP WSDL files into OpenAPI format.

Step-by-Step Solution

Solution:

Step 1: Understand springdoc-openapi mechanism
It scans Spring MVC annotations like @RestController and @RequestMapping to build OpenAPI spec dynamically.
Step 2: Eliminate incorrect options
It does not require manual JSON/YAML files, nor uses database schema or SOAP WSDL files.
Final Answer:
It scans Spring MVC annotations and builds OpenAPI spec dynamically -> Option B
Quick Check:
springdoc-openapi auto-generates docs by scanning annotations [OK]

Quick Trick: springdoc scans annotations to build docs automatically [OK]

Common Mistakes:

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Why does springdoc-openapi generate API documentation automatically without manual JSON/YAML files?