Java

In what cases is it recommended to create indexes in a database to speed up queries?

Junior — Middle

Северсталь-Ифоком

Name three limitations you have faced in your development experience.

How is scalability of a monolithic application increased?

Junior — Middle

Aston

Have you encountered a task of restoring your service after a failure or crash?

Junior — Middle

СБЕР Страхование

Could you tell about your role and tasks in the latest project implementation?

Junior — Middle

Газпромбанк

Tell us what you are working on at the moment.

What is the role of the ClassLoader mechanism in the class loading process in the JVM?

How is a many-to-many relationship implemented in relational database management systems?

Tell us about the structure of the POM file in the Maven package manager.

Is it advisable to interact directly with the client during project development?

Junior — Middle

СБЕР

Have you applied the prototype pattern in your projects?

What happens if a message is processed slowly in a Consumer Group?

Senior

МТС

What type of index is used by default in the PostgreSQL database?

Junior — Middle

AstonА ДеньгиСеверсталь-Ифоком

What is the difference between well-formed XML and valid XML?

How can data caching be controlled and configured in a browser when processing a specific request?

What data structure underlies the TreeMap class?

What types of branch merging exist in version control systems?

What are the key exception classes in Java?

What alternative methods, besides using XML or annotations, can be used to implement bean creation in Spring?

What is the difference between authentication and authorization?