benefit of @Autowired annotation in Java

Question

Maybe, because of my wrong English, I couldn\'t understand the benefit of using @Autowired annotation.

According to the tutorial we can simplify the first(I.) case to se

Answer 1

@Autowired tells Spring to find a bean of the declared type and wire in that bean, rather than requiring an explicit lookup by bean name. It can, under certain circumstances, make configuring applications easier if you only have one implementation of your types in a given Spring context.