I practiced a similar question about repository implementations last week, and I think C is true because Spring Data JPA does generate implementations automatically.
I remember discussing the differences between classes and interfaces in our last study group. I think CustomerRepository can actually be an interface, so A seems off.
Oof, this is a tough one. I'm not as familiar with the specifics of Spring Data as I'd like to be. I'll need to think through each option carefully and see if I can eliminate any that are clearly incorrect.
This is a good test of my knowledge of Spring Data. I'll need to draw on my understanding of the different Spring Data modules and how they work with repositories. I'm feeling confident I can figure this out.
Okay, I think I've got a handle on this. The key is to identify the true statement about the CustomerRepository interface. I'll carefully consider each option and eliminate the ones that don't seem quite right.
Hmm, I'm a bit confused by the options here. I'll need to make sure I understand the differences between a class and an interface, as well as the role of JPA annotations and Spring Beans in this context.
This looks like a tricky question about Spring Data repositories. I'll need to carefully review the options and think through the differences between Spring Data JPA and Spring Data JDBC.
I think the correct answer is D. The repository interface needs to be implemented and declared as a Spring Bean for Spring Data to generate the implementation automatically.
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