Learn Java Unit Testing with JUnit 5 in 20 Steps - Unit Testing Exceptions

The video tutorial explains how to test exceptions in JUnit, focusing on null pointer exceptions. It demonstrates creating a scenario where a null array is passed to arrays.sort, leading to a null pointer exception. The tutorial covers handling exceptions using try-catch blocks and JUnit annotations, emphasizing the importance of expecting exceptions in tests. It also discusses the behavior of sorting empty arrays and concludes with a summary of exception testing in JUnit.

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