How to Assert Exceptions in JUnit Tests | assertThrows Explained

In this lesson, we explain how to test exceptions in JUnit. You will learn assertThrows(), assertThrowsExactly(), validating exception messages, custom exception testing, and JUnit 4 vs JUnit 5 approaches. In this video you will learn: why exception testing matters how assertThrows() works how to verify exception messages how to test custom exceptions common JUnit exception testing mistakes This video is perfect for Java beginners and backend developers. #Java #JUnit #UnitTesting #SpringBoot #BackendDevelopment