JUnit Questions and Answers – Exploring Core JUnit

This set of JUnit Multiple Choice Questions & Answers (MCQs) focuses on “Exploring Core JUnit”.

1. JUnit is used for what type of software testing for the Java language?
a) Unit Testing
b) Integration Testing
c) Functional Testing
d) System Testing
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2. A JUnit Unit Test Case is compulsorily characterised by a/an known _______ and a/an expected _____
a) output, input
b) input, output
c) variable, literal
d) program, variable
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3. To use JUnit in a project we need to add which JAR files on our test classpath?
a) junit.jar
b) hamcrest-core.jar
c) junit.jar and hamcrest-core.jar
d) java-junit.jar
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4. What are fixtures in JUnit?
a) Objects that specify when to run a test
b) Fixed state of a set of objects used as a baseline for running tests
c) Bundle of few test cases run together
d) Date objects
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5. JUnit test methods must compulsorily return what value?
a) String
b) int
c) Object
d) void
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6. JUnit test files are written in files with which file extension?
a) .junit
b) .test
c) .java
d) .unit
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7. What is the purpose of assertArrayEquals(“message”, A, B)?
a) Checks that “message” is in both A and B
b) Checks that “message” is in A but not B
c) Checks that “message” is in B but not A
d) Asserts the equality of the A and B arrays
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8. Which annotation implies that a method is a JUnit test case?
a) @junit
b) @testcase
c) @org.Test
d) @org.junit.Test
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9. What is a test runner?
a) Used to execute the test file
b) Defines the test file
c) Used to write test cases
d) Used to define annotations
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10. Which methods cannot be tested by JUnit test class?
a) public methods
b) private methods
c) protected methods
d) methods with void return type
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Sanfoundry Global Education & Learning Series – JUnit.
To practice all areas of Junit, here is complete set of 1000+ Multiple Choice Questions and Answers.