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Quiz on Spring Framework – Part III

By Prabhu Sunderaraman on July 20, 2018 in

Take the third part of the quiz on Spring Boot and Core Spring Framework. You can read the first and second parts from here; Part 1, Part 2.

Question #1: What is the built-in library in Spring Boot used to serialize objects to JSON format?

Jackson. You can also use third-party libraries like Gson

Question #2: For an entity class Car(id, model,year) which of these methods are automatically synthesised in JpaRepository?

findByModel. findByX or findByXAndY methods are generated

Question #3: For an entity class Car(id, model,year) which of these JPA queries is valid to fetch all the BMW cars?

select c from Car c where c.model=:param1. JPA QL is written on the Entity classes

Question #4: Which annotation binds a JPA Query parameter to a method argument?

@Param

Question #5: What advice annotation is used to decide execution of a method?

@Around. Around advice gets around a method and checks for conditions

Question #6: Which one is not a valid term in AOP?

Pointer. Advice, Joinpoint, Pointcut are valid terms in AOP.

Question #7: Which class is provided in Spring Boot to access external services synchronously?

RestTemplate

Question #8: Which ORM implementation does JPA starter pack in Spring Boot use, by default?

Hibernate

Question #9: Which annotation is used to mark a persistent class in JPA?

@Entity

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