Web Reference: Welcome to the eighth video in our JUnit Tutorial Series! In this video, we’ll cover the assertNull method in JUnit. Learn how to use assertNull to verify that an object is null in your... In this article, we will write a JUnit test to use the assertNull () and assertNotNull () static methods with examples. assertNull () method checks the object null. assertNotNull () method checks the object not null. In this tutorial, you will learn about the assertNull () method in JUnit, which is used to verify that a given object is null. This assertion is used for testing scenarios where objects are expected to be uninitialized, cleared, or explicitly set to null.
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