IBM

Core Java & OOP What are the four pillars of Object-Oriented Programming? Can you explain each with examples? Difference between an abstract class and an interface? When do you use which one? What is polymorphism? Explain compile-time vs run-time

A detailed-oriented interview with several rounds. The technical rounds involved coming up with several test cases around things around me, like a pen, and about testing an email server. The other two technical rounds involved briefing me about the

The interview process went quite nicely, I had total 3 rounds, and I got rejected in final round. The interview process went quite nicely, I had total 3 rounds, and I got rejected in final round. The interview process went quite nicely, I had total 3