1. Desing restful web service of ebay with all possible usecases and resources i can think of. 2. Difference between Lambdas and Functional interface. 3. {{a,b,c},{a,c,d},{a,b,d}, {a,b,c}.....} write lambda function to sort anf give unique values back. 4. A couple of oracle queries to solve on paper 5. When exactly be finalize method be called. 6. How does Autoboxing work internally 7. what is default datatype of number. 8. gave use case and asked me to write equale, hashcode and compareTo method on board. 9. Details of rest metods : Patch 10. Different error codes in restful web service 11. different types of authentication (hint OAuth, Hmac. basic) 12. Difference between an application server and web server. 13. How spring comes to know which class is Spring, how to exclude a class. There were 10-15 more but this is all I remember for now. I was drilled on soft skills with the question which I have never heard of. i felt it FBI interrogation rather than discussion.