Recruiter connected through instahyre and scheduled first round technical interview. There will be two technical rounds for Java backend and Full Stack interview. My First Round is completed. These are the questions asked:
Internal implementation of LinkedHashMap?
Internal implementation of PriorityQueue?
Class level locking and object level locking?
Can we invoke the terminated collection?
Facade design pattern?
Liskov substitution principle?
Heap data structure?
Doubly linkedlist datastructure implementation?
[1,3,5,7,8,9], targetSum=13, output=[2,4] indexes of the elements that match the target sum.
Find a second non-repeated character from the given string?
Interview questions [1]
Question 1
Internal implementation of LinkedHashMap?
Internal implementation of PriorityQueue?
Class level locking and object level locking?
Can we invoke the terminated collection?
Facade design pattern?
Liskov substitution principle?
Heap data structure?
Doubly linkedlist datastructure implementation?
[1,3,5,7,8,9], targetSum=13, output=[2,4] indexes of the elements that match the target sum.
Find a second non-repeated character from the given string?
I applied through a recruiter. The process took 1 day. I interviewed at EPAM Systems (Hyderābād) in Apr 2026
Interview
1. Coding round( 1 program with java + another program using java streams api)
2. Technical round( Questions are mostly from core java, collections, java 8, streams api, spring boot micro services and design pattern related)
2 more rounds including Hr
I applied online. The process took 1 day. I interviewed at EPAM Systems (Pune)
Interview
Average and Easy going. Interviewer was detail oriented and wanted to understand logic and WHYs behind every answers that you gave. Make sure to give specific answer without giving mugged up answers
Interview questions [1]
Question 1
How microservices communicate with each other.
SoA v/s MS
Disadvantages of MS
When will you choose MS?
How do you handle exceptions in your project?
Why don’t you handle exceptions by catch instead of Exception handler?
Why to use an Exception handler?
How do you use an Exception handler? Class level and Method level annotation for the same.
How does the Exception handler work internally?
Checked and Unchecked exceptions
How to handle Null pointer exceptions efficiently?
