Java

What is the byte size?

When traversing elements, which list — ArrayList or LinkedList — shows better performance?

Junior — Middle

IT One

Will resources be available in the target directory when building a project with Maven?

What is Test-Driven Development (TDD)?

Have you studied the work and approaches proposed by Evgeny Borisov in the context of the Spring framework?

What happens if you insert a record with a null key into a HashMap when such a record already exists?

What operators exist in SQL?

What HTTP method do you use to add a new record to the system via REST API?

Which data structure — array or linked list — provides faster removal of an element from the middle of the collection?

What distinguishes a framework from a library in software development?

Junior — Middle

СБЕР

What is the purpose and use of data grouping in database management systems?

Under what conditions does lambda function optimization loss occur?

Is there an implemented project for automating processes on an online educational platform?

Can you list the main types of HTTP requests used in REST API?

Junior — Middle

Совкомбанк

Is a primary key in an SQL table also an index for fast data retrieval?

In which project have you used Docker and how was it implemented?

Junior — Middle

СБЕР

Is indexing mandatory for the primary key in a database table?

What types of testing do you know?

How to perform dependency injection by a specific interface field in Spring if it has two implementations?

Why is understanding the memory model in Java a key aspect when developing multithreaded applications?