Which two statements about the @Autowired annotation are true? (Choose two.)

• A.@Autowired fields are injected after any config methods are invoked.
• B.Multiple arguments can be injected into a single method using @Autowired.
• C.By default, if a dependency cannot be satisfied with @Autowired, Spring throws a RuntimeException.
• D.If @Autowired is used on a class, field injection is automatically performed for all dependencies.
• E.@Autowired can be used to inject references into BeanPostProcessor and

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Refer to the exhibit.

Which statement is true? (Choose the best answer.)

• A.A class that implements CustomerRepository must be implemented and declared as a Spring Bean.
• B.CustomerRepository should be a class, not an interface.
• C.An implementation of this repository can be automatically generated by Spring Data JPA.
• D.JPA annotations are required on the Customer class to successfully use Spring Data JDBC.

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Which two statements are true regarding a Spring Boot "fat" JAR? (Choose two.)

• A.The "fat" JAR requires an external Servlet container.
• B.The "fat" JAR is created by the Spring Boot Maven plugin or Gradle plugin.
• C.The "fat" JAR contains compiled classes and dependencies that your code needs to run.
• D.The "fat" JAR can contain multiple embedded application servers.
• E.The "fat" JAR contains both the class files and the source files for your project.

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Refer to the exhibit.

Based on the default Spring behavior, choose the correct answer. (Choose the best answer.)

• A.One AccountRepository bean will be instantiated since the default scope is singleton.
• B.Three AccountRepository beans will be instantiated as the accountRepository() method will be called three times.
• C.Many AccountRepository beans will be instantiated, depending how often accountRepository(), transferService() and accountService() are called.
• D.Two AccountRepository beans will be instantiated as the accountRepository() method will be called two times.

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Which two statements are true concerning constructor injection? (Choose two.)

• A.If there is only one constructor the @Autowired annotation is not required.
• B.Constructor injection only allows one value to be injected.
• C.Constructor injection is preferred over field injection to support unit testing.
• D.Construction injection can be used with multiple constructors without @Autowired annotation.
• E.Field injection is preferred over constructor injection from a unit testing standpoint.

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