Java

What is the purpose of the DISTINCT operator in SQL queries?

Junior — Middle

СБЕР

Can you explain what Puppet is and what it is used for in system configuration automation?

Is it possible to declare an interface with a non-public access level?

Is there a Git command that can identify the specific commit that caused an error or failure?

What signs or sources do you rely on when creating objects in programming?

What is the expected access time to a node located in the middle of a linked list?

Can you explain what is meant by a hash function and how it works?

What is the purpose and application of the pattern matching mechanism?

What is the role of a primary key in an SQL database table?

Можете объяснить, что подразумевается под концепцией CP в контексте распределенных систем?

Junior — Middle

ВТБ

What will be the result of the query SELECT name?

What is unit testing?

What are functional interfaces like Function<T, R>, DoubleFunction<R>, IntFunction<R>, and LongFunction<R> used for in Java?

What functionality is combined in the @SpringBootApplication annotation in Spring Boot?

In what form and how can data be extracted from a Spring bean container?

How to determine the remaining time?

Can you explain what an anonymous function (lambda) is in Java?

Can you explain the purpose of the @Configuration annotation and how it is used in the context of Spring?

What is the difference between the @Service and @Component annotations in the Spring Framework?

What is Spring Boot and what are its main advantages?