| What is Mockito? |
| What are the advantages of using Mockito over other testing frameworks? |
| What is a mock object? |
| How does Mockito handle stubbing methods? |
| What is the difference between @Mock and @InjectMocks annotations? |
| What is the purpose of Mockito.when() and how does it work? |
| Explain the difference between verify() and when() in Mockito. |
| What is a spy in Mockito? How does it differ from a mock? |
| What is doThrow() and when would you use it? |
| What is the purpose of @Captor annotation in Mockito? |
| What is ArgumentCaptor and how do you use it? |
| How do you handle Mockito exceptions like Unfinished StubbingException or TooManyActualInvocationsException? |
| What is the difference between @Mock and @Spy annotations? |
| How do you use Mockito for mocking static methods? |
| What is the MockitoJUnitRunner and how does it help in testing? |
| Can you mock final classes or methods using Mockito? |
| How would you mock a private method using Mockito? |
| What is the MockSettings class in Mockito used for? |
| How do you handle the NullPointerException when using mocks? |
| How do you mock a void method in Mockito? |
| Let me know if you need more! |
| What is the difference between Mockito.mock() and @Mock annotation? |
| How do you mock an interface using Mockito? |
| How do you verify the number of method invocations on a mock object? |
| How can you throw an exception from a mock method using Mockito? |
| What is the purpose of the Mockito.verifyNoMoreInteractions() method? |
| How do you mock a method to return different values for different calls? |
| What is the lenient() method in Mockito, and when would you use it? |
| How do you mock a constructor in Mockito (using Mockito.mockConstruction)? |
| What is Mockito.any() and how is it used in argument matching? |
| What is the difference between Mockito.times() and Mockito.atLeast() in verifying method calls? |
| Can you mock an abstract class using Mockito? If so, how? |
| What does Mockito.when().thenReturn() return value do if the method is called multiple times? |
| How do you mock a collection (e.g., List, Map) in Mockito? |
| How do you handle mocking methods that return null or empty collections? |
| What is Mockito.reset() used for and when should it be used? |
| What are Matchers in Mockito, and how do you use them? |
| How would you test a service class with a constructor that requires multiple dependencies? |
| How do you mock a method that returns an optional value using Mockito? |
| What is the doAnswer() method used for in Mockito, and when would you use it? |
| How do you mock a method that has a void return type and needs to throw an exception? |
| How do you handle mocking method calls with variable arguments? |
| Can Mockito mock methods of a class that has private fields? How? |
| What is the @Mock annotation used for in conjunction with MockitoAnnotations.initMocks()? |
| How do you verify the order of method calls using Mockito? |
| How do you mock an object that has a final method using Mockito? |
| How do you mock an object that is part of a chained method call? |
| What is the difference between Mockito.mock() and Mockito.spy() in terms of behavior? |
| How do you handle mocking of methods that involve generics in Mockito? |
| Can you use Mockito with a real database connection (e.g., mock a JDBC call)? |
| What is the role of ArgumentMatchers in Mockito and how do you use it? |
| How do you mock static methods using Mockito (with PowerMock)? |
| What is the @Mock annotation's behavior when used with JUnit 5's @ExtendWith(MockitoExtension.class)? |
| How do you mock methods with complex return types (e.g., Stream or CompletableFuture)? |
| How would you mock a service method that returns a Future object? |
| What are some limitations of Mockito, and how do you work around them? |
| How do you test asynchronous code with Mockito? |
| How do you use Mockito.doReturn() instead of Mockito.when()? |
| What is the purpose of Mockito.verifyZeroInteractions()? |
| How do you mock constructors of nested classes? |
| Can you use Mockito to mock static imports or constants? |
| What is the purpose of Mockito.mockStatic() and when should you use it? |
| How do you mock a method that returns a lambda expression in Mockito? |
| What is the @InjectMocks annotation used for in Mockito? |
| Can you mock a method that returns a Stream in Mockito? If so, how? |
| How do you mock a method that returns a Map using Mockito? |
| How do you mock a method that returns a Set or List in Mockito? |
| Can you use Mockito to mock classes in a multi-threaded environment? If so, how? |
| How do you mock a Builder class in Mockito? |
| What is the Mockito.verify() method used for, and how do you use it to verify method calls? |
| Can you mock a private method in a class using Mockito? How? |
| What is Mockito.any(Class type) used for? |
| How do you handle mocking for methods that have Optional as return type? |
| How do you mock a method that has multiple arguments with default values in Mockito? |
| What is the difference between Mockito.never() and Mockito.times(0)? |
| How do you mock a method that returns null and prevent NullPointerException? |
| What is the difference between Mockito.anyInt() and Mockito.any()? |
| How do you mock final methods or classes using Mockito? |
| What is Mockito.withSettings() used for and when do you need to use it? |
| How would you mock void methods that modify the state of an object? |
| What is the purpose of @Captor annotation in Mockito, and how is it different from @Mock? |
| Can you use Mockito with Spring's @Autowired annotations for integration testing? |
| How do you mock a CompletableFuture using Mockito? |
| Can you mock a method that returns an array using Mockito? |
| How do you mock methods that throw exceptions in Mockito? |
| What is the purpose of Mockito.doNothing()? |
| How do you mock methods that are dependent on system state or external systems (e.g., file system or database)? |
| How would you mock an interface method that returns a List of objects in Mockito? |
| How do you mock static methods in Mockito using PowerMock or other frameworks? |
| What is the doCallRealMethod() used for in Mockito? |
| How can you use Mockito for mocking time-based code (e.g., System.currentTimeMillis())? |
| How do you mock an enum type method in Mockito? |
| How do you use Mockito.anyString() to match any string argument? |
| What are the benefits of using ArgumentCaptor in Mockito? |
| How do you mock a method that returns a collection of generic types (e.g., List)? |
| How do you verify that a mocked method was not called? |
| What is Mockito.lenient() used for in Mockito and how does it work? |
| What is the purpose of Mockito.inOrder() and how do you use it for verifying method call order? |
| How can you mock methods with default implementation in interfaces? |
| How do you use Mockito.timeout() in testing to ensure methods are invoked within a specific time? |
| How do you use Mockito.any() with argument matchers for different data types? |
| How would you mock a method that is already overridden from a superclass? |
| What is Mockito.mockConstruction() used for, and when would you use it? |
| Can you use Mockito to mock methods with type parameters? |
| How would you test the method that interacts with ThreadLocal variables using Mockito? |
| How do you verify the number of times a method was called with different arguments using Mockito? |
| How do you mock a method that returns null from a collection or list using Mockito? |
| How would you mock a method that returns a Date object? |
| What are the possible pitfalls when mocking methods that involve reflection? |
| How do you handle mocking a method that has asynchronous behavior using Mockito? |
| What are the benefits and limitations of mocking constructors with Mockito? |
| How do you handle mocking methods that have multiple return values depending on the input? |
| How do you mock an interface that extends another interface using Mockito? |
| How do you mock methods with callbacks or listeners? |
| Can you mock methods in a class that is part of a Java 8 Optional chain? |
| How would you test code that performs new operations (like creating new objects) using Mockito? |
| What is the purpose of Mockito.times() and how does it differ from Mockito.atMost() and Mockito.atLeast()? |
| How do you mock a method that returns a custom exception type? |
| How can you mock code that is interacting with static variables in a class? |
| How do you handle mocking a method that works with external API responses? |
| How do you verify that a mock object behaves correctly when an exception is thrown? |
| How do you handle mocking methods in a recursive call using Mockito? |
| How do you mock methods that take varargs as input parameters? |
| Can you mock methods of abstract classes that use constructors in Mockito? |
| How would you mock methods that deal with Thread.sleep() or other time-based operations? |
| How do you use Mockito.mockStatic() to mock static methods in Mockito? |
| How do you mock methods in a multi-threaded environment to ensure thread safety in unit tests? |
| Can you mock methods that return CompletableFuture and have a chain of callbacks? |
| How do you use Mockito.anyMap() to match a Map argument in a method call? |
| How do you mock Optional.empty() and other Optional-related methods? |
| How do you handle mocking methods that interact with a database or external storage using Mockito? |
| What are the advantages and disadvantages of mocking constructors in Mockito? |
| How do you use Mockito.atMost() to limit the number of invocations of a method? |
| Can Mockito mock methods in classes that interact with native code (e.g., JNI)? |
| How do you mock methods that use ThreadLocal variables using Mockito? |
| How do you mock methods that involve complex generics like Map or List>? |
| How do you test a class that interacts with a file system or network services using Mockito? |
| How do you use Mockito.anyInt() and Mockito.anyString() in combination for argument matching? |
| How would you mock a method that interacts with system properties or environment variables? |
| How do you use Mockito.verify() to ensure that methods are invoked in a specific sequence? |
| How do you mock methods in third-party libraries that use final or static modifiers? |
| How do you test legacy code using Mockito without changing the production code? |
| How do you mock methods that throw checked exceptions in Mockito? |
| What are the possible drawbacks of using Mockito?s spy() in unit testing? |
| How do you handle mocking for methods that return collections of objects in Mockito? |
| How do you mock methods that invoke System.exit() or other terminating operations? |
| How do you mock methods that involve timers or scheduled tasks using Mockito? |
| How do you test code that calls methods on objects created within the method itself? |
| How do you mock methods with Optional return types that return null? |
| How do you mock methods that return a ResultSet or other complex database-related objects in Mockito? |
| What is the role of Mockito.verifyNoInteractions() in verifying mock behavior? |
| How do you mock methods that return a ListenableFuture in Mockito? |
| How do you mock methods that use a callback interface in Mockito? |
| How can you mock methods that use CompletableFuture in Mockito? |
| What is Mockito.mockStatic() and when would you use it? |
| How do you mock methods that return a java.time.Instant or LocalDateTime? |
| How do you mock a method that interacts with Thread.sleep() in unit tests? |
| How would you test methods that interact with a web service using Mockito? |
| What is the role of Mockito.verify() and how do you verify interactions with mock objects? |
| How do you mock List or Map containing complex objects in Mockito? |
| How do you verify that a mocked method throws an exception when called with specific parameters? |
| How do you mock methods that involve null checks or conditional logic in Mockito? |
| How do you use Mockito.atLeastOnce() to verify method calls in a unit test? |
| What is the purpose of Mockito.anyList() and how do you use it? |
| How do you handle mocking methods that return a Deque or other non-collection data types in Mockito? |
| Can you mock methods that use the new keyword in their implementation? |
| How do you mock methods that invoke constructors inside the method itself? |
| Can you use Mockito to mock methods that interact with environment variables? |
| How do you mock a method with a long or int return type in Mockito? |
| How do you mock methods with varargs parameters in Mockito? |
| Can Mockito mock a final method that returns a String or int type? |
| How do you mock methods that return a collection of custom objects in Mockito? |
| How do you mock methods that return null using Mockito? |
| How do you mock static classes using Mockito.mockStatic()? |
| How do you mock a method that interacts with java.nio.file.Files? |
| How do you mock a class constructor with Mockito.mockConstruction()? |
| Can Mockito mock a method that interacts with FileReader or BufferedReader? |
| How do you mock methods with optional return values using Mockito? |
| How do you verify that a method is called at least once in a unit test using Mockito? |
| How do you mock methods that involve checking for null or using Optional in the implementation? |
| How do you mock methods that depend on system time, such as System.currentTimeMillis()? |
| How do you mock methods that return primitive types in Mockito? |
| How do you handle mocking for CompletableFuture objects that require callbacks? |
| How do you verify that a mock method is called a specific number of times using Mockito? |
| How do you mock methods that interact with a database using JDBC or EntityManager? |
| How would you mock methods in a multi-threaded environment using Mockito? |
| How do you mock methods that return String[] or other array types? |
| How do you mock Map methods to return specific values or throw exceptions in Mockito? |
| Can you mock methods with side effects using Mockito? How? |
| How do you mock an interface that has both default and abstract methods in Mockito? |
| How do you mock methods that work with regular expressions or pattern matching? |
| How do you use ArgumentCaptor to verify method call arguments in Mockito? |
| How do you mock a Set or Queue collection and verify its interactions in Mockito? |
| How do you mock methods that interact with external APIs in Mockito? |
| How do you mock methods that return Stream or Optional objects in Mockito? |
| How do you use Mockito.mockStatic(Class classToMock) to mock static methods? |
| How do you handle mocking final methods in Mockito? |
| How do you mock methods that are part of a class hierarchy (e.g., superclasses)? |
| How do you mock a method that interacts with the system clock in Mockito? |
| How do you handle mocking methods that require the use of ThreadLocal variables? |
| How do you use Mockito.any() for matching complex object arguments? |
| Can Mockito mock methods that are private or protected in a class? |
| How do you mock methods that return BigDecimal or BigInteger types? |
| How do you mock methods that return collections or Iterable types in Mockito? |
| How do you test methods that use ScheduledExecutorService with Mockito? |
| How do you mock methods that use ExecutorService or ForkJoinPool in Mockito? |
| How do you mock a method that reads from a BufferedReader or InputStream? |
| How do you verify the order of method calls using Mockito? |
| Can Mockito mock methods that use ThreadLocal variables? |
| How do you mock methods that invoke methods on other mock objects? |
| How do you use Mockito.verify() to confirm that methods were called in a specific order? |
| How do you mock a method that interacts with java.nio.file.Files API in Mockito? |
| How do you mock methods that return File or Path objects in Mockito? |
| Can Mockito mock methods that interact with a DataSource or Connection? |
| How do you use ArgumentMatchers for matching complex method parameters in Mockito? |
| How do you mock methods that throw checked exceptions in Mockito? |
| How do you mock methods that invoke system properties or environment variables in Mockito? |
| How do you use Mockito.mockConstruction(Class type) to mock constructors in Mockito? |
| How do you mock methods that work with network protocols (HTTP, TCP, etc.) in Mockito? |
| Can you mock methods that call static methods from third-party libraries in Mockito? |
| How do you mock methods that return Date or Calendar objects in Mockito? |
| How do you handle mocking for methods that interact with the file system in Mockito? |
| How do you mock methods that perform time-based operations (e.g., System.currentTimeMillis() or LocalDateTime.now())? |
| How do you mock methods that return UUID or other non-primitive types in Mockito? |
| How do you mock methods with complex method signatures in Mockito? |
| How do you mock methods that return Optional.empty() or Optional.of() in Mockito? |
| How do you verify method interactions when using Mockito.spy()? |
| How do you mock methods that interact with the SecurityManager or System classes? |
| How do you mock methods that return ResultSet in Mockito? |
| How do you mock methods that interact with third-party libraries like Apache Commons or Google Guava? |
| How do you handle verifying method calls that involve asynchronous behavior in Mockito? |
| How do you mock methods that return File objects or work with file-based operations? |
| Can you mock methods with multiple return values in Mockito? |
| How do you mock a method that throws a SecurityException? |
| How do you mock JMS or JDBC connections in Mockito? |
| How do you use Mockito.timeout() to test code that has time-sensitive execution? |
| How do you mock methods that interact with java.util.Timer or ScheduledExecutorService? |
| How do you mock methods that interact with Socket or URLConnection in Mockito? |
| How do you use Mockito.when() with doReturn() instead of when() to return values? |
| How do you mock a method that returns void in Mockito? |
| How do you mock methods with final return types in Mockito? |
| How do you mock methods that return Stream using Mockito? |
| How do you mock methods that use Files.readAllLines() or other file I/O operations in Mockito? |
| How do you mock methods that use Thread.sleep() or other sleep-related operations? |
| How do you use Mockito.any(Class type) in combination with argument matchers? |
| How do you use ArgumentCaptor to capture the arguments passed to mocked methods? |
| How do you mock methods that return Optional.empty() or a non-null value in Mockito? |
| How do you verify method calls with different parameters using Mockito.verify(). |
| How do you handle mocking methods with Future or CompletionStage return types in Mockito? |
| How do you mock methods that interact with third-party frameworks such as Spring or Hibernate in Mockito? |
| How do you mock methods that use System.getenv() to retrieve environment variables? |
| How do you mock methods that return a Comparator object? |
| How do you mock methods that are asynchronous but need to be tested synchronously? |
| How do you handle mocking methods that involve Thread manipulation? |
| How do you mock methods that return boolean values or handle boolean logic? |
| How do you verify that no method has been called on a mock object using Mockito.verifyNoInteractions()? |
| How do you mock methods that invoke static methods from a third-party library? |
| How do you mock methods with complex return types, like Map>? |
| How would you use Mockito.doThrow() to throw an exception when a method is invoked? |
| How do you mock methods that return an Iterator or other iterable collections? |
| Can you use ArgumentCaptor to verify the contents of a list passed to a method? |
| How would you mock a Function interface in Mockito? |
| How do you mock CompletableFuture chains that return different values? |
| How do you verify that a method is called only once with Mockito.verify()? |
| How do you mock methods that deal with file I/O, such as reading from or writing to files? |
| Can Mockito mock methods in a class that has a final constructor? |
| How would you test code that uses new keyword for creating objects within methods using Mockito? |
| How do you mock a method that returns a custom object with complex fields? |
| How do you mock methods that invoke database operations like insert, update, or select? |
| Can Mockito mock private methods in a class? If so, how? |
| How do you mock methods that are executed multiple times in a loop with different arguments? |
| How do you mock methods that return AtomicInteger or AtomicReference? |
| How do you mock methods that return Stream and perform operations like map, filter, or collect? |
| How would you use Mockito.anyString() to match a String parameter in a method call? |
| How do you verify that a method was not called using Mockito.verifyZeroInteractions()? |
| How do you mock methods that involve generating random numbers, like using Random or ThreadLocalRandom? |
| How do you mock methods with a void return type that have side effects? |
| How do you mock methods that use System.exit() or other termination methods in Java? |
| How do you mock methods that are part of a class hierarchy (e.g., superclass methods)? |
| How do you mock a method that returns a Future or Task object? |
| How would you verify that no interactions occurred on a mock object during a test? |
| How would you test methods that use Default methods in interfaces with Mockito? |
| How do you mock methods that return Optional objects, such as Optional.empty() or Optional.of()? |
| Can Mockito mock a constructor that involves complex logic? How would you handle it? |
| How do you mock methods that call external services or APIs using HttpURLConnection or RestTemplate? |
| How do you mock methods with varargs parameters using Mockito? |
| How do you handle mocking methods that rely on System.currentTimeMillis() or LocalDateTime.now()? |
| How do you mock methods that depend on the current thread or Thread.currentThread()? |
| How do you verify method call order when using Mockito.inOrder()? |
| How do you mock methods that use java.util.concurrent.locks.Lock? |
| Can Mockito mock a method that interacts with UUID or Random? |
| How do you mock a method that handles exceptions by returning an alternative value or logging the error? |
| How do you mock Optional return values that depend on method logic? |
| How do you mock methods that interact with collections like Queue, Deque, or Set? |
| How do you test methods that use ScheduledExecutorService to schedule tasks? |
| How do you mock methods that use Timer or TimerTask in a Java program? |
| How do you use Mockito.anyList() to match arguments in a list-based method call? |
| How do you mock methods that return BigDecimal or BigInteger objects? |
| How do you mock methods that return a map or dictionary-like object in Mockito? |
| How do you mock methods that use a callback to handle the result of an operation? |
| How do you handle mocking methods with default methods in interfaces using Mockito? |
| How do you mock methods that return a ResultSet in JDBC or any database-related queries? |
| How do you mock methods that interact with Cache or Session management frameworks? |
| How do you mock methods that work with external messaging systems like Kafka, RabbitMQ, or JMS? |
| How do you handle mocking methods with multiple return types based on conditional logic? |
| Can you mock methods that return File objects from Java file system APIs? |
| How do you use Mockito.anyInt() to match integer arguments in a mocked method? |
| How do you mock methods that are dependent on ThreadLocal variables in multi-threaded environments? |
| How do you verify if a mock method was invoked in a multi-threaded test case? |
| How do you mock a method that returns Stream or Spliterator objects? |
| How do you mock methods that work with data structures like HashMap, TreeMap, or LinkedList? |
| How would you use Mockito.anyMap() to match map parameters in method calls? |
| How do you mock methods that throw exceptions based on the number of invocations? |
| How do you handle mocking methods that generate and return random values in a test case? |
| How do you mock methods that perform file I/O or network operations in an isolated test? |
| How do you mock a method that calls System.getProperty() or other system-related functions? |
| How do you verify the number of times a method was invoked with specific parameters using Mockito.verify()? |
| How would you mock methods that return a CompletableFuture with specific success or failure scenarios? |
| How do you mock a method that returns a java.util.concurrent.CountDownLatch or CyclicBarrier? |
| How do you mock methods that return Callable or Runnable objects for task execution? |
| How do you mock methods with complex conditional return types using Mockito.when()? |
| How do you mock methods that interact with objects in external libraries or frameworks (e.g., Spring)? |
| How do you use Mockito.atLeast() to verify that a method is called at least a specified number of times? |
| How do you mock methods that involve Throwable or custom exception handling logic? |
| How do you verify that a mock method was called exactly once with a specific argument using Mockito.verify()? |
| How do you mock methods that involve custom user-defined objects or complex object graphs? |
| How do you handle mocking methods that call Thread.interrupt() or manage thread states? |
| How do you mock methods that are invoked asynchronously but need to be tested synchronously in a single thread? |
| Can Mockito mock methods that involve external resources like file systems, databases, or network services? |
| How do you use ArgumentMatchers to match complex arguments in a mocked method? |
| How do you mock methods that involve the manipulation of the System or environment properties? |
| How do you mock methods that interact with JMX (Java Management Extensions) in Mockito? |
| How do you mock methods that use Java 8 streams (Stream, Collectors, etc.) in Mockito? |
| How would you use Mockito.anyCollection() to match a collection argument in a mocked method call? |
| How do you verify the order of method invocations when using multiple mock objects in a test case? |
| How do you mock methods that depend on time, such as Date, LocalDate, LocalDateTime, and Instant? |
| How do you use Mockito.atMost() to verify the maximum number of method calls for a mock? |
| How do you mock methods that interact with third-party HTTP clients or APIs? |
| How do you use Mockito.doAnswer() to specify custom behavior for a mock method call? |
| How do you handle mocking for methods that deal with BigDecimal or other numeric objects? |
| How do you mock methods that interact with Environment or PropertySource in Spring-based applications? |
| How do you mock methods that return Throwable or custom exception classes in Mockito? |
| How do you handle mocking methods that interact with Callable or Runnable tasks? |
| How do you mock methods that return Optional but may or may not contain a value? |
| How do you use Mockito.verify() to check if a mock method was not called in a test case? |
| How do you mock methods that return a complex object tree, such as a nested map of objects? |
| How do you mock methods with Future return types that involve thread synchronization? |
| How do you mock methods that use Socket or URLConnection in network-related tests? |
| How do you verify that the mock method was called with specific arguments multiple times? |
| How would you test code that interacts with external APIs, such as AWS SDK or Google APIs, using Mockito? |
| How do you handle mocking methods that call external services in different contexts (e.g., local or cloud)? |
| How do you mock methods that return UUID objects in Mockito? |
| How would you use Mockito.anyDouble() to match a double argument in a mocked method? |
| How do you mock methods that return a java.time.Duration? |
| How do you verify method calls on mocks with custom behavior using Mockito.doAnswer()? |
| Can you mock final classes in Mockito? How do you do it? |
| How do you mock methods that return OptionalInt, OptionalLong, or OptionalDouble in Mockito? |
| How do you use Mockito.mockStatic(Class classToMock) for mocking static methods in a final class? |
| How would you use Mockito.verifyNoMoreInteractions() to ensure that no additional interactions occur with the mock? |
| How do you mock methods that interact with Path or File in the java.nio package? |
| How do you mock methods that perform network operations using HttpClient or URLConnection? |
| How do you mock methods that use Thread.sleep() in a unit test? |
| How would you mock a method that reads or writes to a database using JdbcTemplate or EntityManager? |
| How do you mock methods that interact with java.util.concurrent.Semaphore? |
| How do you use Mockito.anyLong() to match a long argument in a method call? |
| How do you mock methods that return a Map of nested values, such as Map>? |
| How do you verify that a mock method is called exactly once for a specific argument using Mockito.verify()? |
| How do you mock methods that return Integer, Float, or Character types? |
| Can you mock methods with varargs in Mockito? How? |
| How do you verify the arguments passed to a method using ArgumentCaptor in Mockito? |
| How do you handle mocking for methods that use Java?s Stream API? |
| How do you mock methods that interact with java.nio.channels.SocketChannel or ServerSocketChannel? |
| How do you mock methods that return a custom Throwable or an exception hierarchy? |
| How do you mock a method that returns a complex collection, such as List>? |
| How would you mock methods that use reflection in Java? |
| How do you mock methods that perform complex string manipulations, such as using StringBuilder or StringBuffer? |
| How do you mock methods that interact with a database connection pool like HikariCP? |
| How do you mock a method that interacts with CompletableFuture and performs asynchronous tasks? |
| How do you mock a method that interacts with custom logging frameworks like SLF4J or Log4j? |
| How would you mock a method that performs file operations using java.nio.file.Files? |
| How do you use Mockito.any(Class type) to match parameters of a particular type? |
| How do you mock methods that return enum values? |
| How do you mock methods that call System.getenv() to retrieve environment variables? |
| How do you use Mockito.atLeast() to verify a method call occurred a certain number of times? |
| How do you mock methods that return a ResultSet when working with JDBC? |
| How do you mock a method that involves reading data from an external API in a unit test? |
| How do you mock methods that interact with System.getProperty() or similar system-level operations? |
| How would you use Mockito.mockConstruction(Class classToMock) to mock object creation in the constructor? |
| How do you mock methods that deal with sorting operations or comparisons? |
| How do you verify that a method is not called in Mockito using Mockito.verifyNoInteractions()? |
| How do you mock methods that perform complex file operations like reading from or writing to a CSV file? |
| How do you mock methods that use CountDownLatch or CyclicBarrier for synchronization? |
| How do you mock methods that involve asynchronous execution using ExecutorService or ScheduledExecutorService? |
| How do you mock methods that are invoked based on specific intervals or timed executions? |
| How do you mock a method that returns a value based on the current system time? |
| How do you handle mocking methods that return values based on conditional logic? |
| How do you mock methods that rely on dynamic class loading or classpath scanning? |
| How do you use Mockito.any() to match any argument for a parameter type? |
| How do you handle mocking for methods that return void and have no return values? |
| How do you mock methods that interact with ThreadLocal variables or thread-specific data? |
| How do you mock methods that use the java.util.logging.Logger? |
| How do you mock methods that use Thread.interrupt() to stop a thread's execution? |
| How do you handle mocking methods with side effects, such as database insertions or state changes? |
| How do you mock methods that depend on an external time service, such as a Clock instance? |
| How do you use Mockito.doNothing() to prevent side effects when mocking methods? |
| How do you mock methods that use java.util.Timer for task scheduling? |
| How do you mock methods that perform regular expressions matching using Pattern or Matcher? |
| How do you mock methods that work with Runnable or Callable objects for task execution? |
| How would you mock methods that make calls to a remote service over HTTP? |
| How do you mock methods that return Throwable or custom error objects in Mockito? |
| How do you mock methods that use Path or File for file system operations in Java? |
| How do you mock methods that perform asynchronous task scheduling with ScheduledExecutorService? |
| How do you mock methods that return Optional and perform logic based on the presence of a value? |
| How do you mock methods that return a Stream of values with custom behavior? |
| How do you use ArgumentCaptor to capture and assert on parameters passed to mock methods? |
| How do you mock methods that work with Callable tasks or asynchronous result processing? |
| How do you mock methods that throw exceptions based on specific argument conditions? |
| How do you handle mocking for methods that perform database transactions? |
| How do you mock methods that work with Future or CompletionStage objects for asynchronous processing? |
| How do you use Mockito.anyObject() to match any object type as a method argument? |
| How do you mock methods that interact with Socket or ServerSocket for network communication? |
| How do you mock methods that use Java?s reflection API to dynamically invoke methods? |
| How would you mock a method that interacts with Spring?s ApplicationContext? |
| How do you mock methods that return a list of complex objects? |
| How do you mock methods that rely on Optional for handling null values in Java? |
| How would you mock methods that work with AtomicReference or AtomicInteger? |
| How do you handle mocking methods that use Callable and Runnable objects for parallel execution? |
| How do you mock methods that work with ConcurrentHashMap or similar concurrent collections? |
| How do you mock methods that involve serialization or deserialization of objects? |
| How do you mock methods that return File or Path objects when performing file system operations? |
| How do you mock methods that make API calls to third-party libraries or services like AWS or Google Cloud? |
| How do you mock methods that return a nested collection structure, such as Map>? |
| How do you mock methods that return BigDecimal or BigInteger in your tests? |
| How would you mock methods that make calls to external APIs and need to be tested in isolation? |
| How do you use Mockito.verify() to verify method calls with specific argument matchers? |
| How do you handle mocking methods that depend on ThreadLocal variables for each thread? |
| How do you mock methods that rely on LocalDateTime or LocalDate for date/time operations? |
| How do you mock methods that interact with java.nio.file.Files for file system operations? |
| How do you mock methods that invoke system-related methods like System.currentTimeMillis() or System.nanoTime()? |
| How do you use Mockito.atLeastOnce() to verify that a method was called at least once in a test? |
| How do you mock methods that use java.util.TimerTask or other scheduled task mechanisms? |
| How do you mock methods that are called asynchronously, such as those using a custom ExecutorService? |
| How do you mock methods that invoke the java.util.concurrent.locks.Lock interface for synchronization? |
| How do you mock methods that throw different exceptions based on input parameters? |
| How do you mock methods that interact with MessageQueue or similar messaging systems? |
| How do you mock methods that rely on system properties for their execution? |
| How do you handle mocking methods that use BlockingQueue for thread synchronization? |
| How do you mock methods that perform expensive computations and need to return a constant result? |
| How do you mock methods that interact with URLConnection or HttpURLConnection for network communication? |
| How do you use Mockito.verify() to assert that a method was called with specific arguments? |
| How do you mock methods that return different values based on input parameters? |
| How do you handle mocking methods that interact with Java?s FileWriter or BufferedWriter? |
| How do you mock methods that use Java?s ZipFile or ZipOutputStream for file compression? |
| How do you mock methods that interact with ScheduledExecutorService to schedule periodic tasks? |
| How would you use Mockito.any(Class type) to match any type of parameter in a mock method? |
| How do you mock methods that involve setting system properties in unit tests? |
| How do you mock methods that rely on Executors.newSingleThreadExecutor() or similar executor factories? |
| How do you mock methods that interact with ExecutorService.submit() for task execution? |
| How do you verify the order of mock method calls using Mockito.inOrder()? |
| How do you mock methods that use Stack or Queue for managing collections in a test? |
| How do you handle mocking methods that perform input/output operations on streams? |
| How do you mock methods that interact with JavaMail or email-related APIs? |
| How do you mock methods that interact with Cache or caching systems like EhCache or Guava Cache? |
| How do you mock methods that interact with CacheManager or Cache objects in Spring? |
| How do you use Mockito.doReturn() for handling void methods that return specific values? |
| How do you mock methods that use FileInputStream or BufferedInputStream to read files? |
| How do you mock methods that interact with Java?s PrintWriter for output operations? |
| How do you mock methods that work with java.util.concurrent.FutureTask or similar concurrency mechanisms? |
| How do you use ArgumentMatchers to match Map, List, or other complex argument types? |
| How do you mock methods that perform date-based operations using LocalDate, LocalDateTime, or ZonedDateTime? |
| How do you handle mocking for methods that perform Socket or ServerSocket communication in tests? |
| How do you mock methods that use Callable for asynchronous task execution? |
| How do you mock methods that work with external systems such as databases, file systems, or messaging services? |
| How do you mock methods that return Deque, Queue, or PriorityQueue types? |
| How do you mock methods that invoke System.gc() or manage the garbage collector in tests? |
| How do you mock methods that use Condition for synchronization in multi-threaded environments? |
| How do you verify method interactions with multiple mocks using Mockito.verifyAll()? |
| How do you mock methods that work with network protocols like HTTP, TCP, or FTP? |
| How do you mock methods that perform sorting operations with Comparator or Comparable? |
| How do you mock methods that return ResultSet or interact with JDBC connections? |
| How do you handle mocking methods that rely on Thread.sleep() in multi-threaded tests? |
| How do you mock methods that work with CountDownLatch to synchronize threads in a test case? |
| How do you use ArgumentMatchers.any() to match any argument in a mocked method call? |
| How do you mock methods that interact with the Java security manager for access control? |
| How do you handle mocking methods that perform logging using java.util.logging or other logging frameworks? |
| How do you use Mockito.anyInt() to match integer parameters in a mocked method? |
| How do you mock methods that perform operations on Path or Files in a file system? |
| How do you mock methods that use AtomicInteger or AtomicLong for thread-safe counters? |
| How do you mock methods that interact with external HTTP clients or REST APIs? |
| How do you use Mockito.doNothing() to avoid side effects in tests with void methods? |
| How do you mock methods that invoke time-based operations using System.nanoTime() or System.currentTimeMillis()? |
| How do you mock methods that rely on System.exit() or similar shutdown functions? |
| How do you mock methods that interact with BufferedReader or BufferedWriter for reading and writing files? |
| How do you verify interactions with mock objects using Mockito.times() for specific call counts? |
| How do you mock methods that involve Thread.sleep() and simulate delays or pauses? |
| How do you handle mocking for methods that perform encryption or decryption using Cipher? |
| How do you mock methods that interact with Cache and CacheManager for caching operations? |
| How do you use Mockito.anyLong() to match long parameters in mock method calls? |
| How do you verify the number of calls to a mocked method using Mockito.verify() with a count? |
| How do you mock methods that interact with ForkJoinPool for parallel task execution? |
| How do you mock methods that depend on Random or SecureRandom for generating random values? |
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