Tuesday, November 18, 2014

UTV

1. Collection
how to find out common elements from 2 attay list ?
How can you find out


2. What is best exceptional handling for Web service
3. How to handle http code for user defined error message
4. how to deploy UDF to hive
5. how to develop UDF , UDAF, UDTF
6.

user_id, search_key_ timestamp

how to create external table

7. use above file and design query
count the search_key used by user

8. use above file and design query
top 10  searcy_key used by user

9.  Dictributed Cache ? How it is working ?

10. What is transform functionality in Hive ?

11. What are the aggregative UDF there in Hive ?

12. What are the scope of bean in spring ?

13. If we decalre it as prototypr then how does to handle multiple request ? Will it create instance of bean every time when we call bean ?

14. How can we handle content based routing using spring restful service?

15. if you want to design service through Spring for getAllCustomer, findCustoberById ? what is your approch What kind of designpatern you are going to use and describe in details ?

16. What all design pattern you used ?Example for Singlton , Proxy ?

17. What is the differerence bettern delegation and proxy ?

18. How can prevent to create a class from Sington using reflection?

19 . Difference between iterrator and for loop ?  which one is better for loop large data set ?

20. For frequent insertion and deletion which data structure is good? 
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