Java

Can you list the main properties or characteristics that classes can have?

What are the differences between the annotations @Component, @Controller, @Repository, and @Service in Spring, and what are their purposes?

How is object instantiation performed in object-oriented programming?

Has the same URL been used to configure the Spring DataSource source?

Junior — Middle

СБЕР

What prompted you to choose Quarkus for migrating your project?

What changes in the architecture and processes of the project have you noticed after transitioning to cloud technologies?

What is the main role of the Java Virtual Machine in executing Java programs?

Explain the principle of operation of self-regulating trees and their applications.

How is data search performed using indexing in PostgreSQL?

Junior — Middle

Билайн

What tasks does distributed tracing solve?

What is the role of the application.properties file in configuring Spring applications?

Junior — Middle

Уралсиб

What is the difference between dependencyManagement and dependencies blocks in a project configuration file?

Junior — Middle

СБЕР

What is the InterruptedException exception?

What are the types of input-output streams in Java?

What happens during the compilation process known as Building, and what does it lead to?

How would you organize interaction between multiple services?

What is the difference between an abstract class and a regular class, and how can it be applied in programming?

Junior — Middle

Северсталь-Ифоком

Do you use the Command pattern in your work?

How to properly close a database connection?

What are immutable objects?