Explore topic-wise MCQs in Junit.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Junit knowledge and support exam preparation. Choose a topic below to get started.

1.

___________ is the base class for all Matcher implementations.

A. MatcherBase
B. Base
C. Matcher
D. BaseMatcher
Answer» E.
2.

To write custom matcher _____________ has to be implemented.

A. Matcher Interface
B. Hamcrest Interface
C. HamcrestMatching Interface
D. Not possible to implement
Answer» C. HamcrestMatching Interface
3.

The ____________ matcher checks if a given key is in a map.

A. hasEntry
B. hasValue
C. hasKey
D. isKey
Answer» D. isKey
4.

Which Hamcrest core matcher checks if a number is equal to a number of some acceptable error?

A. closeTo
B. equals
C. errorBy
D. similarToView Answer
Answer» B. equals
5.

____________IS_THE_BASE_CLASS_FOR_ALL_MATCHER_IMPLEMENTATIONS.?$

A. MatcherBase
B. Base
C. Matcher
D. BaseMatcher
Answer» E.
6.

TO_WRITE_CUSTOM_MATCHER_______________HAS_TO_BE_IMPLEMENTED.?$

A. Matcher Interface
B. Hamcrest Interface
C. HamcrestMatching Interface
D. Not possible to implement
Answer» C. HamcrestMatching Interface
7.

The ____________ matcher checks if a given key is in a map?

A. hasEntry
B. hasValue
C. hasKey
D. isKey
Answer» D. isKey
8.

The TypeSafeMatcher implements the __________ interface.

A. Self
B. Describing
C. EqulityCheck
D. SelfDescribing
Answer» E.
9.

The ___________ method of the TypeSafeMatcher class is made final.

A. matches
B. matchesSafely
C. describeMismatchSafely
D. No mehtod
Answer» B. matchesSafely
10.

The closeTo function is found under which package?

A. org.hamcrest.TypeSafeMatcher
B. org.hamcrest.BaseMatcher
C. org.hamcrest.number.IsCloseTo
D. org.hamcrest.number.CloseTo
Answer» D. org.hamcrest.number.CloseTo
11.

assertThat(0.03, is(closeTo(1.0, 0.03))) is ___________

A. True
B. False
C. Null
D. Error
Answer» C. Null
12.

assertThat(1.03, is(closeTo(1.0, 0.03))) is ____________

A. True
B. False
C. Null
D. Error
Answer» B. False