It was an interview drive so there were 10-15 candidates there. There were 2 rounds of technical interviews. Each one of those are around 50 mins to an hour. I am waiting for updates from Barclays about next steps. It could be another round of interview or they might share the results.

Booking seats for a Live show theater. Conditions -

1. If request is for group of tickets then allocate only if all the seats are together.
2. Give preference to initial rows. The more closer to stage is better.

Write program to find Prime number

Design patters? Write how to create Singleton design patter and what's its use?

What is so good about Angular?

What are the benefits of Spring boot?

Event based programming? What you know about Messaging Queue. Behind the screen, how Angular/React handles the events?

Questions around how to setup logging in Spring boot? how you find logs for a specific request? How you can configure Log Aggregation for a request?

How you debug and troubleshoot slowness with a REST call?

Want to store unique values in a Java. Which collection i can use here?

Let's say you have an interface and there are multiple implementation classes for this. When you do @Autowired, how you can create reference to a specific class

When you build an angular application, what type of file it creates which we can deploy?

How to setup Microservices? How they talk to each other and how to setup Load balancer

In Angular how you load environment specific files?

How Jenkin Pipeline works? What is life cycle of cloud deployment process.

Have you worked for TDD or BDD?

How can you mock the object in Junit? What is JUnitRunner?