Cognizant Graduate Trainee Engineer interview questions

Comparatively easy interview process for Gen C, asked very basic questions from Java, centered around OOP concepts and methods, like what is method overriding, what is abstraction, etc. Also had 2 basic quant questions asked.

First of all, it is an on-campus placement there are 3 rounds as I remember the first one was the assessment round where some apti questions coding questions technical questions one game-based round, and then some voice assessments then, those who qualified appeared for the Interview round.