S.no TestNG Junit
1. Junit and NUnit inspires this testing framework Are a java library and an instance of xUnit architecture for Unit testing code chunks
2. Easier to use with the help of the new functionalities Some complexities are there
3. An XML file is required to run the suite test @Suite and @RunWith are required to run the suite test
4. Exception testing is available It is available here as well
5. New innovation feature is available in Group test No existence of any Group test here in JUnit
BY Best Interview Question ON 17 Apr 2019