Other CRUD operations Service

The UserService userService GetMappingusers public ListUser getAllUsers return userService.getAllUsers PostMappingusers public ResponseEntityUser createUserRequestBody User user User createdUser userService.createUseruser return ResponseEntity.statusHttpStatus.CREATED.bodycreatedUser  Layer The service layer encapsulates business logic and interacts with the data access layer repositories to perform CRUD operations. It Contains methods to manipulate resources and enforce business rules. java Service public class UserService Autowired private UserRepository userRepository public ListUser getAllUsers return userRepository.findAll public User createUserUser user Validate user data.

Perform business logic return user

Repository.saveuser Other CRUD operations Data Access Layer The data access layer interacts with the database to perform CRUD Spam Number operations. Spring Boot provides support for various data access technologies such as JPA JDBC and Spring Data JPA. You can define repository interfaces that extend JpaRepository to interact with the database. java Repository public interface UserRepository extends JpaRepositoryUser Long Best Practices Use DTOs Use Data Transfer Objects DTOs to transfer data between the client and the server decoupling the internal domain model from the external API. Exception Handling Implement robust exception handling to provide meaningful error responses to clients and maintain application reliability.

Phone Number List

Security Implement authentication and

Authorization mechanisms to secure the REST API endpoints and prevent unauthorized access. Documentation Document the Latvia Phone Number REST API endpoints using tools like Swagger to provide clear and concise API documentation for developers. Conclusion Java Spring Boot REST API development offers a powerful and efficient way to build scalable web services. By leveraging Spring Boots features developers can streamline the development process and focus on building robust and featurerich RESTful APIs.