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TestNG Interview Questions and Answers

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Ques 11. What is the difference between @BeforeTest and @BeforeSuite annotations?

@BeforeSuite is executed before any test runs in the suite, while @BeforeTest is executed before any test method belonging to the specified tag in the testng.xml file.

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Ques 12. How can you disable a test method in TestNG?

To disable a test method in TestNG, you can use the 'enabled' attribute in the @Test annotation and set it to 'false'.

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Ques 13. Explain the concept of listeners in TestNG.

Listeners in TestNG allow you to customize and control the test execution process. Examples include TestListener, ITestListener, IAnnotationTransformer, and IInvokedMethodListener.

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Ques 14. What is the purpose of the @Parameters annotation?

The @Parameters annotation in TestNG is used to pass parameters to test methods. It is typically used in conjunction with the testng.xml file, where parameter values are specified.

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Ques 15. How can you perform data-driven testing in TestNG?

Data-driven testing in TestNG can be achieved by using the @DataProvider annotation or the dataProvider attribute in the @Test annotation, allowing you to supply different sets of data to the test method.

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