Java

What is the role of the offset parameter in Kafka and why is it important for message processing?

Explain how multiple string values can be concatenated in programming.

Is it permissible for one of the columns in a composite unique key to contain a NULL value?

Junior — Middle

СБЕР

How does Spring implement interaction with objects without using additional intermediate layers?

How does a router function in Java and what tasks does it solve?

Can you give an example of an object whose properties cannot be changed after creation?

Do you have experience breaking down complex tasks into smaller components?

Junior — Middle

Газпромбанк

What is the lifecycle of Spring Beans?

What implementations of the List interface exist in Java?

What is the significance of idempotency in a system and why is it needed?

Junior — Middle

СБЕР

Can you explain the concept of parallel data streams in Java Stream API?

How is the configuration and management of beans performed in the Spring Framework?

What programming languages, besides Java, do you know that use bytecode?

How to ensure message order in Kafka?

Middle+

Альфа-Банк

How is HTTP request processing implemented in the HttpServlet class?

Can you explain what the hashCode method in Java is and how it is used?

Junior — Middle

СБЕР PayСБЕРДиасофт+2

Have you personally implemented the equals object comparison method?

How would you organize the delete method in your application?

Can you explain what a double-ended queue based on an array in Java is?

Junior — Middle

IT One

How did you first get acquainted with the Java language and start learning it?