Gnana Analytics Interview Experience

Written Test:

Contains 10 question of programs Click Here. Duration is 6hrs.

Interview questions:

        Single round around 2 to 3 Hrs.

1. Hash Sets
2. Java Exception handling try/finally/final/Static
3. Abstract classes
4. Abstract classes versus interfaces
5. Override abstract method of a abstract class
6. Java over riding and overloading
7. Run-time and compile time binding
8. Pyrhon program to find duplicate elements of a array in order of n
9. Heap sort
10. Quicksort implementation
11. Inner, outer right outer joins
12. Hash function
13. Big data concepts
14. Sql vs big data(Why Big data)
15. K-means clustering
16. Deletions of double linked lists
17. Comparator in Java
18. Compareto function of Comparator class
19. Hash code of strings
20. Sql query
21. Second max salary
22. Nested Sql queries
23. Circular Linked List advantage
24. Program to Sort a Linked List
25. Unix Commands
26. Who will do Feature subset selection in datasets(important attributes).
27. Shell program to count the number of lines of document
28. Virtualization, OpenStack concepts
29. ArrayList vs Arrays
30. Array vs Linked List
31. Priority Queues
32. Binary search Trees traversal
33. Private addressing
34. Proxy vs reverse proxy
35. Load balancer vs reverse proxy
36. Classless addressing
37. Special ip addresses
38. Tcp layer/Ip layer description
39. Java util packages
40. Free operator
41. Data mining concepts
42. Semaphore and Critical section
43. Threads,array of threads,thread life cycle

Source: Anvesh Kumar S(M.Tech(IT))