Explain the key principles of OOP (inheritance, polymorphism, encapsulation, abstraction) with relevant examples. What are the different types of collections in Java and when would you use each one? Describe the concept of multithreading and how to manage concurrency in Java applications. Explain the difference between a checked and an unchecked exception in Java. How would you handle memory management in a Java application?

Currently due to Pandemic interviews are happening online - video call. I have attended L1 and l2 both the technical round, both were good now waiting for the feedback or any further Managerial / Hr round. Hoping for the good. As per discussion I felt like I will receive any further communication however its been a week time but not received any further communication.

Mphasis interview process is very nice and hectic free. They took three technical and one client interviews. It was fully technically include java core, spring hibernate. I can say it was nice experience.