Java

How are relationships between tables implemented in a database when sharding is used?

Junior — Middle

Aston

What are GC Roots? What other than the stack?

Senior

Альфа-Банк

Does the HTTP protocol provide data transfer over TCP?

What methods can be used to implement immutability of objects in programming?

What is the root class for all objects in Java?

Are you more focused on creating individual modules or on implementing specific functions into the system?

What level of responsibility and tasks did you have in your previous project?

Tell us what you are working on at the moment.

How can you extract only unique objects from a data stream in the Stream API?

How can constraints be set in a system or in code?

Can a lambda expression access a variable declared inside the method where it is defined?

What practical experience do you have in using the Kanban methodology for task and project management?

Junior — Middle

ОТП Банк

What existing programming approaches can be compared to the Command pattern?

How does the Runnable interface differ from the Callable interface in Java?

Junior — Middle

СБЕР

What types of relationships between tables are used in SQL?

What action occurs when performing a string concatenation operation like String a = "Hello " + "World"?

How is minimal resource volume ensured inside a Docker container?

What is the main function and purpose of the Apache Kafka messaging system?

What are the typical anomalies at different transaction isolation levels?

How can you create an immutable copy of a collection using the clone method?

Junior — Middle

СБЕР