Good. Trees, graph, Sorting using recursions, Oops are the concepts asked. And even if we don't know the answers they'll just give hints that we can able to think and answer them or not.
I applied online. I interviewed at EPAM Systems (Gurgaon, Haryana) in Apr 2022
Interview
initially 2 test were conducted
after that a group discussion happened
after that 1 technical round of java with dsa
after that 1 hr round
after that got the joining letter 1 day before and then accepted
I applied through college or university. I interviewed at EPAM Systems (Indore)
Interview
The first round was an online Assessment then the selected candidates were asked to reach the nodal center (mine was Indore) for the next round which was a pen paper coding test. A DSA easy level question of Binary Search Tree was asked.