25.5.2. Key Features

Try these first

1. 1.

   What is JUnit?

   Hint

   Think of a term used for writing tests.

2. 2.

   What does the @Test annotation do?

   Hint

   It's essential for identifying what methods should be executed as tests.

3. 3.

   What is the primary purpose of JUnit?

   • A testing framework for Java
   • A programming language
   • A database system

   Hint

   Consider what the major Java testing frameworks focus on.

4. 4.

   True or False: JUnit can only be used with standalone Java applications.

   • True
   • False

   Hint

   Think about integration capabilities.

5. 5.

   Write a JUnit test method that tests a simple add function and uses assertions to verify correctness.

   Hint

   Think about what `assertEquals` checks.

6. 6.

   Explain how you would structure a JUnit test class to include setup and teardown operations.

   Hint

   Each test should have a controlled environment.