Какие знаешь способы внедрения бинов

@Service
public class UserService {
    private final UserRepository repo;
    
    @Autowired
    public UserService(UserRepository repo) {
        this.repo = repo;
    }
}

@Service
public class UserService {
    private UserRepository repo;
    
    @Autowired
    public void setRepo(UserRepository repo) {
        this.repo = repo;
    }
}

@Service
public class UserService {
    @Autowired
    private UserRepository repo;
}