What are annotations and how are they useful in JUnit?

1.	What are annotations and how are they useful in JUnit?
Answer» Annotations are like meta-tags that you can add to you code and apply them to methods or in class. The annotation in JUnit gives us information about test methods, which methods are going to run before & after test methods, which methods run before & after all the methods, which methods or class will be ignore during execution.

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