I applied through other source. The process took 1 day. I interviewed at Instant Systems (Noida) in Jun 2019
Interview
I got the call from HR directly and she told me to take a telephonic round first and then other rounds will be face to face technical rounds and then HR round will be taken.
Interview questions [1]
Question 1
CORE JAVA:
1. Internal working of TreeMap?
2. Difference between ArrayList and linkedlist?
3. Aggregation?
4. Difference between heap and stack?
HIBERNATE:
5. Difference between get and load methods?
6. Difference between update and merge methods?
7. Difference between session and session factory?
8. Difference between save and persist methods?
I applied online. I interviewed at Instant Systems (Noida) in Jul 2023
Interview
Good and nice experience. Had 3 rounds - 2 technical and 1 managerial technical. Asked all important Java topics from collections to design patterns , spring boot and restful api
I applied in-person. I interviewed at Instant Systems (Noida) in Nov 2017
Interview
I got a call for the position of java developer . 1st round was telephonic interview , basic java questions were asked after that i was called for 2nd round at their office that was core java and spring hibernate interview , questions were average, after that i was again called for the third round with one senior guy , he asked to write a program and two puzzles . They offered me the position and asked for documents to release offer letter , once i had sent them documents there is no update from them i tried to contact someone from hr and she said sh also dont have update from team , its almost 15 days and they said the requirement was immediate , but still no update from there side.
Interview questions [1]
Question 1
Oops concept , collections, spring , hibernate mapping, annotations
