What interaction methods of the Spring framework components are applicable for application development?

In Spring, several main methods are used for component interaction:

1. Dependency Injection — the primary way of linking components, where Spring automatically creates and passes the necessary objects into constructors or fields.

2. Event-driven interaction — components can publish and listen to events via ApplicationEventPublisher and @EventListener.

3. Use of aspects (AOP) — for injecting additional behavior (e.g., logging, transactions) around method calls.

4. Bean container — all components are managed by the Spring container, ensuring their lifecycle and configuration.

5. REST and Messaging — for interaction between services or modules via HTTP or messages.

Example of dependency injection:

@Service
public class UserService {
    private final UserRepository userRepository;

    public UserService(UserRepository userRepository) {
        this.userRepository = userRepository;
    }
    // ...
}