Java

What is the purpose of the @Version annotation in JPA and how does it affect data concurrency control?

Does the Foreign Key relationship that references a composite unique key containing NULL values remain valid?

Junior — Middle

СБЕР

What is your experience in setting up remote debugging of applications?

Tell about your experience with database migrations in projects.

Junior — Middle

ИннотехСБЕР

Where in memory are static variables of a class located in Java?

Junior — Middle

СБЕР

Explain the concept of Service in the OpenShift platform and its role in managing network interaction of containers.

Junior — Middle

Aston

What goals and expected results do you hope to achieve by working with the team?

Junior — Middle

СБЕР

What methods can ensure the stability and continuous operation of two Consumers subscribed to the same Topic?

Junior — Middle

СБЕР

Have you used Liquibase for database migration management?

What is the default behavior of an Oracle database when deleting a row that is linked to another through a foreign key?

Junior — Middle

СБЕР

How is the service configured and launched within the Spring Framework?

What are anonymous classes and where are they used?

How can the automatic memory management mechanism be activated in the system?

How do Java Persistence API (JPA) and Hibernate interact during database operations?

How to use aggregate functions together with the GROUP BY operator for data grouping?

Junior — Middle

СБЕР

What are the advantages and disadvantages of using objects in programming?

What load balancing methods are you familiar with and have used in your projects?

Can you give an example of a situation where you had to organize sequential or parallel processes in a project?

What are the main components included in the memory architecture in Java?

What should be in the configuration file of a Spring Boot application?