Spring 5 Design Patterns

Using @Autowired with the fields

Here you can annotate those class properties which are required for this class to achieve a business goal. Let's see the following code:

    public class TransferServiceImpl implements TransferService { 
      @Autowired 
      AccountRepository accountRepository; 
      @Autowired 
      TransferRepository transferRepository; 
      //... 
    } 

In the preceding code, the @Autowired annotation resolves the dependency by type and then by name if the property name is the same as the bean name in the Spring container. By default, the @Autowired dependency is a required dependency--it raises an exception if the dependency is not resolved, it doesn't matter whether we have used it with a constructor or with the setter method. You can override the required ...