Recruiter called me. After a couple of days, they shortlisted my CV.

They asked for a face-to-face discussion. They had 4-5 rounds.

It took a total of 15 days. The interview process was very smooth, but there was no waiting area or any other facility while interviewing.

Location is Mumbai.

These are some questions which I remembered.

What are spurious wakeups?

What is grid computing?

HashMap changes in Java 8?

LikedHashMap vs. TreeMap?

Red-black tree implementation.

How does atomicity work?

Design pattern: Observer and its intents.

Concurrency.

Threadpool executor rejection handler: If the queue is full, if the max pool is full, what will happen?

What is Class.forName?

Class loaders and principals.

What are inner classes? How do you create an object of inner classes? What is a nested inner class?

Default values in XML Spring. How will you use the ternary operator?

How to minimize GC cycles?

Annotations.

2nd largest in an array.

ArrayList and LinkedList.

Remove middle values from an array and print with null. How to remove null during printing?

Fibonacci.

Factorial.

Similarity between abstract classes and interfaces.

What is SQL injection?