Amazon

It was nice. The interviewer was very helpful and friendly while also being very technical. The interviewer asked me many questions, and I was able to answer most of them correctly. However, I still don't know why I wasn't selected for an interview.

What are the four pillars of OOPs in Java? Explain each with an example: * Abstraction * Encapsulation * Inheritance * Polymorphism What is the difference between an abstract class and an interface? Explain method overloading versus method overridi

The coding round was challenging but doable. The face-to-face interview was analytical. One must be quick, but again, Amazon chooses the best. Practice DSA problems and have in-depth knowledge of computer organization, neural networks, etc.