Скачать или смотреть Spring Boot Tutorial 2025: Pagination & Exception Handling | Full Course

In this updated Spring Boot tutorial, we walk through implementing Pagination, Centralized Exception Handling, and improving API response consistency for a more scalable and maintainable application.

✅ What's Covered:
Pagination with Spring Data

Updated UserService and UserServiceImpl to use Pageable and return PageUserDto.

Modified UserPersistenceService to support paginated data retrieval.

Enhanced UserController to accept page and size parameters, e.g.,
GET /users?page=0&size=10.

Centralized Exception Handling

Added GlobalExceptionHandler using @ControllerAdvice.

Handles UserNotFoundException, validation errors, and general exceptions.

Consistent API error responses using a custom ApiResponse wrapper.

Improved Delete Endpoint

The delete user endpoint now returns a clean success message using ApiResponse.

🔍 Summary:
Pagination makes user listing efficient and scalable.

Centralized error handling improves consistency across APIs.

Cleaner responses enhance the user and developer experience.

📘 These updates boost the maintainability, scalability, and clarity of your Spring Boot application.