Java

Have you worked with the Spring framework for application development?

Junior — Middle

Т-БанкFirecodeDatanomika+7

What makes immutable objects safe to use in a multithreaded environment?

Junior — Middle

ОТП Банк

How can a specific record in a database table be uniquely identified?

How is class registration in the Spring container for dependency injection performed?

Junior — Middle

IT One

Is it mandatory to use transactions when performing write operations in a database?

Junior — Middle

СБЕР

In which cases is it preferable to use the LinkedList data structure instead of other collections?

Junior — Middle

ОТП Банк

How to implement rotating array elements by a specified number of positions?

Can you explain the differences between the main types of trees in data structures?

What control instructions have you used in your previous project?

Junior — Middle

Формат кода

What types of exceptions are usually caught in a catch block in programming?

Can you explain the concept of system availability within the CAP theorem?

Junior — Middle

ВТБ

Have you had experience working with databases that used multiple natural keys?

Junior — Middle

СБЕР

Does the token signing key belong to the creator or the account owner?

What reasons might hinder promotion within the current company?

What data type is used to store a sequence of elements in programming?

How can a transaction rollback mechanism be implemented in case of a checked exception?

Junior — Middle

СБЕР

How is your application launched on the server and what stages does it go through?

Can two variables contain a reference to the same object in memory?

Junior — Middle

РЖД

How is synchronization carried out to prevent simultaneous processing of events of one entity by multiple consumers?

Middle — Middle+

Иннотех

What is the fastest method you know for debugging SQL queries?