TDD implementation based interview questions

code structure while using mock - 
http://www.coderanch.com/t/603031/Testing/mock-return-method


Other important concepts -

1. Implementing Login Service in TDD way
2. TDD vs Test after approach
3. Easy mock vs Mockito
4. Comparing two file using Junit
5. TDD with spring transactional DAO layer

6. AbstractTransactionalJUnit4SpringContextTests API