Round 1:
Hackerrank Test, have not remember the exact questions but it was easy only.

Round 2:

• Find the nearest number in a sorted array.: https://www.geeksforgeeks.org/find-closest-number-array/

• Program to print below with 3 threads.

    	t1 -> 1
    	t2 -> 2
    	t3 -> 3
    	t1 -> 4
    	t2 -> 5
    	....
    	...

• Questions on Java serialization.

• How to convert the following class into an immutable class:

    class Employee {
    	private String name;
    	private Integer age;
    	private Address address;
    	}

• Questions on Functional Interfaces.

• Difference between CompletableFuture and Future.

• How many ways can you create a thread pool with ExecutorService?

• Difference between CachedThreadPool and FixedThreadPool.

• Questions on Stream API

• Fail fast and fail safe

• Questions on Kubernetes Helm charts.

• Create a Factory design pattern.

• Questions on AWS services.

• Questions on API Gateway.