Mockito Tutorial: Learn mocking with 25 Junit Examples - Step 07: @BeforeClass @AfterClass

The video tutorial explains the use of before and after class annotations in testing. It highlights the importance of using static methods for before class annotations and discusses the execution order of tests. The tutorial also covers performance considerations when using these annotations, suggesting their use when certain operations are time-consuming. The session concludes with a summary of the key points discussed.

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