First an online Aptitude and reasoning round. Then an online Coding round and finally an interview round. The interviewer was chill and friendly. The interview scheduling is a bit hectic as I heard many people got wrongly timed mails.
Other Programmer Analyst Trainee Interview Reviews for Cognizant
Introduction
Basic of Oops and Programming
2 Coding Questions
Reverse String and Number
Question on Java and SQL Spring Boot and Other programing related questions like hashing map vs hash table why they are used
It was three round interview with written test and 2 easy interviews. One technical and one with HR for compensation discussion. All were conducted on the same day. In order to get selected need to stand out and answer uniquely.