Java

Have you had experience with distributed transactions in microservices architecture?

Junior — Middle

Иннотех

Is it meaningful to define a constructor for a servlet, and what is the best way to initialize data?

What is the feature of dependency injection?

What is the name of the document where you can find all information about JDBC?

Explain the differences between HashMap and HashSet data structures.

Junior — Middle

Astonайтеко

What mode or work scheme was used in your previous project?

What types of objects are recommended to be used as keys in HashMap to avoid their loss or incorrect behavior?

What do you think about checked exceptions in Java?

Can you explain the concept of Embedded entities within the Spring Framework?

How to select from the table those records where the number of students exceeds twenty?

Is an object proxy passed as an argument when creating its instance?

Junior — Middle

Aston

Implement a method: determine whether a number is a perfect square.

How to distinguish business logic from functional logic in software?

Implement a CompositeIterator using generics that combines two iterators of the same type.

Middle

СБЕР

What were the main responsibilities you had as a developer in your last project?

Junior — Middle

СБЕР

What is the difference between the annotations Repository, Component, Controller, and Service in Spring?

How does Spring Security control access rights to resources and data?

How does HashMap work: buckets, hash function, collisions, LinkedList, and red-black tree inside?

Have you worked in a large team on your last project?

Junior — Middle

СБЕР Страхование

What difficulties can be encountered when processing and using files in applications?