Java Developer 4 to 6 yrs exp Interview at Cognizant

Following were the questions which are asked to my colleagues at experience of 4 to 6 years.

1.  Tell me about your current project ?
2.  What were your roles and responsibilities in your project?
3.  Can you draw architecture diagram of your project?
4. How you have managed internationalization in your project?
5. Can you explain the JSF life cycle ?
6. Tell me about OOPS concepts?
7. What do you understand by access modifiers?
8. What all access modifiers are available in Java?
9. What is inherited when you extend a class in Java?
10. What is polymorphism?
11. What will be the return type of method when you are overriding a method?
12. What will happen if you throw a broader exception while overriding a method?
13. Tell me about design patterns you worked on?
14. What will happen if 100 concurrent requests comes to your dispatcherservlet?
15. Tell me about session management?
16. What do you know about Link list?
17. How Link list works?
18. Write your own implementation of Link list?