Java

Can you tell about different types of Propagation that can be set in the @Transactional annotation?

What is a local class and what are its features?

What data structure is used in ArrayList?

Have you used virtual tables in your SQL queries?

Junior — Middle

Aston

Why is the main method considered static?

What type of exception would you use to handle a situation where it is impossible to establish a connection with a microservice in a booking system?

Junior — Middle

СБЕР

How to iterate over all key-value pairs in a Map?

What is FTP?

What is the purpose of the IdentityHashMap class in Java?

Explain the differences between adapter, decorator, and proxy patterns, their purposes, and areas of application.

Junior — Middle

IT One

How do you participate in the process of developing new features and solutions in your current project?

How to get a stream dump in Java?

What are atomic data types and what are they used for?

Could you explain what a Servlet is in the context of Java web development?

Junior — Middle

СБЕРСБЕР Тех

What is the difference between HashMap and IdentityHashMap?

What is Git used for?

Have you used component orchestration mechanisms or services in your last project?

Junior — Middle

Газпромбанк

What is indexing in the context of databases or collections?

What steps are necessary to ensure proper data transmission and reception through an interface?

What is the difference between a stack and a queue?