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

1.

What is the use of supporting classes in XMLUnit?

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2.

What is XMLUnit?

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3.

What are the advantages of using JWebUnit?

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4.

What is JWebUnit?

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5.

What are the core components of Cactus?

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6.

What is Cactus?

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7.

Name some of the JUnit Extensions.

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8.

Explain unit testing using Mock Objects.

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9.

What is a Mock Object?

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10.

When are tests garbage collected?

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11.

Do you need to write a test class for every class that needs to be tested?

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12.

Can you use a main() Method for Unit Testing?

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13.

What happens if a JUnit test method is declared to return "String"?

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14.

How do you test a "private" method?

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15.

How do you test a "protected" method?

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16.

What happens if a JUnit Test Method is Declared as "private"?

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17.

How to compile a JUnit Test Class?

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18.

How do you use test fixtures?

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19.

How to create Parameterized tests?

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20.

What are Parameterized tests?

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21.

How can you use JUnit to test that the code throws desired exception?

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22.

How to simulate timeout situation in JUnit?

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23.

What is the purpose of org.junit.JUnitCore class?

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24.

Explain the execution procedure of the JUnit test API methods?

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25.

What is @Ignore annotation and how is this useful?

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26.

What is the purpose of @AfterClass annotation in JUnit?

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27.

What is the purpose of @BeforeClass annotation in JUnit?

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28.

What is the purpose of @After annotation in JUnit?

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29.

What is the purpose of @Before annotation in JUnit?

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30.

What is the purpose of @Test annotation in JUnit?

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31.

What is the purpose of org.junit.TestSuite class?

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32.

What is the purpose of org.junit.TestResult class?

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33.

What is the purpose of org.junit.Assert class?

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34.

How will you run JUnit from command window?

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35.

What are annotations and how are they useful in JUnit?

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36.

What are JUnit classes? List some of them.

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37.

What is a test runner?

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38.

What is a test suite?

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39.

What is a fixture?

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40.

What are the core features of JUnit?

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41.

Name the tools with which JUnit can be easily integrated.

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42.

How do I test things that must be run in a J2EE container (e.g. servlets, EJBs)?

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43.

In Java, assert is a keyword. Won't this conflict with JUnit's assert() method?

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44.

Why does JUnit only report the first failure in a single test?

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45.

How to install JUnit?

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46.

Why not just use System.out.println() for testing?

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47.

When are Unit Tests written in Development Cycle?

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48.

What are the best practices to write a Unit Test Case?

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49.

What is a Unit Test Case?

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50.

What are important features of JUnit?

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