java-api-standards

The best way to structure a Java REST API is by using thin controllers and delegating business logic to a service layer. This design pattern separates concerns, ensuring robust and maintainable endpoint implementation.

You validate inputs in a Java REST API at the boundaries using DTO validation. This approach ensures invalid data is caught early before it reaches the service layer architecture.

Error handling in Java REST endpoints works by using consistent error models and standard status codes. This approach provides predictable API responses and improves overall service architecture.

Yes, you need to write tests for your Java REST API service logic and endpoint contracts. Testing guidelines ensure your API implementation adheres to established standards and maintains code quality.

Thin controllers in Java API design require moving validation and business logic to the service layer. This architectural constraint means endpoints stay simple but demand strict input validation at boundaries to prevent data issues.

Yes, you can review an existing Java REST API to ensure it follows established standards. The process validates endpoint implementation, error handling, and service layer architecture to improve code quality.