Round 1:

1. Find nth node from the end of linked list.
2. Find first non repeating character from given string.
3. You are given list of songs = [1,3,5,10....100] and function random which takes two arguments startIndex and endIndex and returns random index. You have to play random song from list only one time using random function. Any song should not be played more than once.
   int random(int startIndex, endIndex){
   returns randomNumber
   }
   O(N) solution is expected.
4. Questions on java collections, exception handling.

Round 2:

1. Questions on current project.
2. Questions on multithreading
3. Design APIS for questionnaire system which will allow below functions.
   1. Create Questionnaire
   2. Create question
   3. Add questions to Questionnaire
   4. Should support single select MCQ, multi select MCQ, text answer questions
      LLD, API design and database design is expected.
      Followup questions on db performace optimisation.

Round 3:

1. Questions on current project.
2. Design logging system(LLD)
3. Git related questions

Round 4:

1. Challenges faced in project
2. Why you are looking for change?
3. Behavioral questions

Verdict : Selected