Java

What is the lifecycle of a Spring bean?

Зачем нужно разделение по слоям (Layered Architecture) и какие ошибки часто совершаются?

What NoSQL databases have you worked with?

Senior

СБЕР

How to connect services from two different docker-compose files?

Tell us about the principles of SOLID

Middle

СБЕР

How to understand if a request uses an index? How to monitor unused indexes?

Senior

Альфа-Банк

Condition Difficulty: MEDIUM Given an encoded string in the following format: k[encoded_text] Here, k is the number of repetitions of the encoded_text string. The string is guaranteed to have a correct format: no extra spaces, brackets are always correct, etc. Decode the string Example: Input: "3[a]2[bc]" Output: "aaabcbc" Input: "3[a2[c]]" Output: "accaccacc" Input: "2[abc]3[cd]ef" Output: "abcabccdcdcdef"

Senior

Ozon Финтех

What Grant Types in OAuth 2.0 do you know and what are they used for?

Senior

Альфа-Банк

What integrations have you worked with? API integrations with what?

Tell about an interesting task you performed on the current project.

Middle+

Альфа-Банк

Do you know the advantages of reactive stack and how it works?

There are two files, each containing integer values line by line. What algorithms can be used to find the intersection of these two sets?

What are the exceptions in Java? Checked and unchecked.

How is an anonymous class object created?

What do you use to pass exceptions without losing the stack trace?

What caches are available in Hibernate?

Senior

СБЕР

Have you ever implemented Generic classes yourself?

How were you registered at previous workplaces: GPH, employment contract, individual entrepreneur, or self-employment?

Name the delivery guarantees in Kafka and what they mean?

Senior

Альфа-Банк

Question 5. There are two implementations of the interface, what happens when injecting a variable of interface type into a Spring bean? - The first implementation will be in the variable - A compile-time error will occur - A context startup error will occur - It depends on the Spring version