Java

What characteristics should a class have to be used correctly as an entity in Hibernate?

What is the relationship between JavaScript and Java?

Have you had experience working with the ActiveMQ queue system?

What amount of memory is freed when calling the clear method on a list containing 1 million Integer objects occupying 48 MB of memory?

Junior — Middle

СБЕР Тех

Which specific fields in a database should be indexed to speed up the execution of a certain query?

Junior — Middle

Т-Банк

Explain what is meant by inversion of control in the context of using Spring Framework.

Which data structure is most suitable for ensuring thread safety during rare list modifications and high load?

Junior — Middle

СБЕР Тех

How is control over transaction completion and rollback when necessary carried out?

Junior — Middle

СБЕР

Can you explain what is meant by the structure of collection hierarchy in programming?

Junior — Middle

IT One

What happens if two elements in a TreeSet are considered equal according to the equals method?.

What methods can be used to pass a functional interface inside an object?

In what cases is it recommended to use caching with Caffeine?

Junior — Middle

Aston

What is the impact of using the @Transactional annotation in a Spring application?

Junior — Middle

Альфа-Банк

How to implement thread management through an interface in your application?

Do you create automated tests for controllers in your projects?

Junior — Middle

СБЕР

What architectural model would you apply for developing a new software product?

What methods can be used to implement dependency injection in Spring?

How are parameters passed to methods in Java?

Why does a ConcurrentModificationException occur when modifying an ArrayList simultaneously during iteration?

Junior — Middle

Т-Банк

Have you created your own filters or panels in Grafana for data visualization?

Junior — Middle

СБЕР