Got a call from Naukri.com. They scheduled a virtual interview.

First, they asked questions from Core Java, Spring Boot, AWS, Microservices, and Databases (Joins, PL/SQL).

Core Java:

• OOPs
• String class
• Exceptions
• Collections
• Java 8 new features

Spring Boot:

• Differences between Spring and Spring Boot
• What annotations have you used?
• How to implement cache, Spring security, and transactions in your application?

How to manage security in your applications?

List list = Arrays.asList(1, 2, 1, 2, 1, 2, 3, 3, 4, 4, 5, 56, 56, 57);

Sort the list and print the prime numbers using recursion.