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Testing Mastery: JUnit, Mockito & Integration Tests · Lesson

Basic JUnit 5 Annotations

Explore essential JUnit 5 annotations like @Test, @BeforeEach, @AfterEach, and their practical applications.

What are JUnit Annotations?

In JUnit 5, annotations are markers that tell the runner how to run your tests — defining test methods, setup, and cleanup.

Marking Tests with @Test

The core annotation is @Test. Put it above any method and JUnit runs it as a test, reporting pass or fail.

All lessons in this course

  1. Introduction to Unit Testing
  2. Basic JUnit 5 Annotations
  3. JUnit Assertions & Execution
  4. Organizing Tests with @DisplayName and Nesting
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