Using @PropertySource in Spring
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Questions and Answers

What annotations can you use to indicate that a method parameter is not required and should be resolved partially by Spring?

  • @Nullable
  • @NonRequired
  • @Autowired(required = false) (correct)
  • @Optional
  • How can you inject something into a private field in Spring?

  • @Inject
  • @Qualifier
  • @Autowired (correct)
  • @Value
  • Which annotation is used to inject property values into private fields?

  • @Qualifier
  • @Autowired
  • @Inject
  • @Value (correct)
  • When injecting dependencies into private fields, why might you need to consider testing strategies?

    <p>To ensure encapsulation</p> Signup and view all the answers

    What is a common challenge when injecting dependencies into private fields for testing?

    <p>Modifying private fields directly</p> Signup and view all the answers

    In unit testing, what is one way to modify private fields of a class for testing purposes?

    <p>ReflectionTestUtils class</p> Signup and view all the answers

    Which annotation in Spring can complement @Autowired to specify which bean should be injected when multiple beans of the same type are available?

    <p>@Qualifier</p> Signup and view all the answers

    What is the purpose of using @TestPropertySource in Spring unit testing?

    <p>To define custom application properties in the test environment</p> Signup and view all the answers

    '@MockBean' is used in conjunction with which other Spring component for unit testing private fields?

    <p>@RunWith(SpringRunner.class)</p> Signup and view all the answers

    '@Qualifier' annotation helps in resolving ambiguity when there are multiple beans of the same type. What happens if no qualifier value is specified?

    <p>@Autowired fails with an error</p> Signup and view all the answers

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