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Learn Mockito – Module 1 Lesson 4 – Quiz

Last updated: July 4, 2025

Written by: komal

Learn Mockito
Lesson 4: Creating Mock Objects Using Annotations
Learn Mockito – Module 1 Lesson 4 – Quiz

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Question 1 of 5

1. Question

Which Mockito annotations simplify mock creation and dependency injection (select all that apply)?

@Mock
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@InjectMocks
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@CreateMock
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@Entity
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Question 2 of 5

2. Question

What does the @InjectMocks annotation do in Mockito?

Creates a mock object of the given class.
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Automatically injects mock dependencies into a real object instance.
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Injects real instances of dependencies into a mock.
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Explicitly raises an error if a dependency cannot be injected.
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Question 3 of 5

3. Question

How can we initialize Mockito annotations automatically in JUnit 5?

By using Mockito.initializeMocks() in a @BeforeEach method.
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By using the @ExtendWith(MockitoExtension.class) annotation.
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Mockito annotations are always initialized automatically without extra configuration.
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By annotating the test class with @Autowired.
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Question 4 of 5

4. Question

Which statements are TRUE regarding Mockito’s annotation-based mocks lifecycle?

Mockito reinitializes annotated fields before each test method execution.
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Annotated fields are initialized once per test class, causing state changes to carry over between tests.
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We must explicitly configure whether annotated mocks should be reinitialized before each test method.
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State changes in mocks persist across test classes.
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Question 5 of 5

5. Question

What’s a limitation when using Mockito annotations like @Mock and @InjectMocks (select all that apply)?

They cannot inject complex object graphs automatically.
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Mockito always throws exceptions when injection fails.
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Mockito silently injects null if it cannot find a suitable object.
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Mockito annotations can replace full dependency injection frameworks like Spring.
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