15.4 - JUnit Basics
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Practice Questions
Test your understanding with targeted questions
What does the @Test annotation do?
💡 Hint: Think about how JUnit identifies tests.
What is the purpose of assertNull?
💡 Hint: Consider what null means in programming.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the @Test annotation?
💡 Hint: Think about how JUnit recognizes tests.
True or False: The @BeforeAll annotation runs before each individual test.
💡 Hint: Think about the execution frequency of the annotations.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a unit test for a method that checks if a number is even. Include both a positive and negative test case.
💡 Hint: Consider the mathematical operation for evenness.
How would you refactor a test to use @BeforeEach for setting up common resources?
💡 Hint: Think about what setups are common in multiple tests.
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