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Back End Certification
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Back End Certification
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25 Questions

1. How to convert array to list?

2. A module can have multiple packages. (T/F)

3. Generic Types always have to be reference types, NEVER

4. What is the Maven repository?

5. What is dependency injection?

6. 4 states of an entity object during its lifecycle

7. What is a persistence context?

8. What is the pom.xml file in Maven?

9. Why were modules even needed? (3)

10. persist( ) method takes an object from ___________ to _____________ state

11. What is serialization?

12. Why we use Spring Boot on top of the Spring framework? (2)

13. What is Object-Relational Mapping (ORM)?

14. A client sends an _____ __________ for a resource and the server returns an _______ ___________ with the desired resource.

15. What is inversion of control? (IoC)

16. What is an Aspect class? How is it defined?

17. What is the Module Descriptor file?

18. Keyword to require a module and keyword to export a package from a module

19. How to define a tester class with Spring Boot?

20. What is @RequestMapping?

21. In Spring AOP, what is a join point?

22. What two methods must ALWAYS be overridden in an Entity class? Why?

23. What is the EntityManager interface?

24. What is programmatic transaction management?

25. What is the @RestController annotation?

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