Java Library

What is the purpose of the ArgumentMatchers class in Mockito? A) To provide matchers for flexible argument verification B) To create mock objects C) To inject mocks into the test D) To configure method stubbing Answer: A) To provide matchers for flexible argument verification Explanation: The ArgumentMatchers class in Mockito is used to provide matchers […]

What does the reset() method do in Mockito? A) It resets the mocks to their default state B) It verifies that the mock was called C) It initializes a new mock object D) It cleans up resources after a test Answer: A) It resets the mocks to their default state Explanation: The reset() method in

What is the purpose of the @Captor annotation in Mockito? A) To capture argument values passed to mock methods B) To create mock objects C) To inject mocks into the test D) To verify the number of method calls Answer: A) To capture argument values passed to mock methods Explanation: The @Captor annotation in Mockito

How can you simulate an exception being thrown in Mockito? A) Using when().thenThrow() B) Using verify().thenThrow() C) Using mock().throw() D) Using assert().throw() Answer: A) Using when().thenThrow() Explanation: In Mockito, you can simulate an exception being thrown using the when().thenThrow() method. This is useful when you want to test how your code handles exceptions thrown by

What does the when() method do in Mockito? A) It sets up the behavior of a mock object B) It verifies the method calls on a mock C) It initializes a mock object D) It cleans up mock objects after a test Answer: A) It sets up the behavior of a mock object Explanation: The

Which method is used to verify that a method was called on a mock object in Mockito? A) verify() B) assert() C) check() D) validate() Answer: A) verify() Explanation: In Mockito, the verify() method is used to check that a particular method was called on a mock object during the test. This is important for

What does the @InjectMocks annotation do in Mockito? A) It injects mock dependencies into the object being tested B) It verifies that the mocks are used correctly C) It initializes the test class D) It configures the database connection Answer: A) It injects mock dependencies into the object being tested Explanation: The @InjectMocks annotation in

What is the purpose of the @Mock annotation in Mockito? A) To create and inject mock objects B) To configure database access C) To mark a class as a test suite D) To generate logs during testing Answer: A) To create and inject mock objects Explanation: The @Mock annotation in Mockito is used to create

What is Mockito used for in Java testing? A) To create mock objects for unit testing B) To manage database transactions C) To build user interfaces D) To deploy applications to the cloud Answer: A) To create mock objects for unit testing Explanation: Mockito is a popular Java library used for creating mock objects in