Java

Is it possible to extend services through horizontal scaling without significant difficulties?

How is the thread pool mechanism implemented and how does it manage task execution?

How can you create a new branch in the Git version control system and what methods are available for this?

How do the main properties of ACID guarantee the integrity and reliability of transactions in a database?

What is garbage collection in Java?

Can the delete operation be considered idempotent without side effects on repeated calls?

How to write a custom (user-defined) exception in Java?

Can you explain what is meant by the term 'buffer' in programming and how it is used?

In which memory section are variables stored when declared as static?

Junior — Middle

СБЕР

What is a Logger in the log4j library?

What variables can lambda expressions in Java access?

What is the purpose of the @PreDestroy annotation within the Spring Framework?

Can you explain what the atomic Compare-and-Swap operation is and its application?

Middle — Middle+

Aston

What is your practical experience working with various network protocols and their applications?

Junior — Middle

СБЕР

What is the difference between an enumerator and an iterator in Java?

How can you sort a list of elements in your program?

What problems can arise from not using transactions in an application?

What factors influence data access speed in SQL?

What does Maven provide when building a project?

Какой тип коллекции лучше выбрать для хранения уникальных элементов в отсортированном порядке?