Java

Can you explain what is meant by 'instant' in programming?

Junior — Middle

СБЕР

Is it possible to efficiently extract the first element from a LinkedList data structure?

What plugins can be installed when creating a virtual machine?

What is the purpose of implementing a default method inside an interface in Java?

Can a string be considered a memory-intensive data type?

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

Junior — Middle

СБЕР

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

What sources or data are used to generate an electronic signature?

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

What rule exists for determining the ratio between the number of Consumers and Partitions in a Kafka system?

Junior — Middle

СБЕР

Where in Spring MVC does the search for controllers for handling incoming requests occur?

What is the purpose of Protocol Buffer in the development process?

What tools and approaches do you use for working with databases in your projects?

Do you use the Command pattern in your work?

What is the time complexity of retrieving an element from a HashMap if it uses a red-black tree internally?

What tool or library have you used for creating mock objects related to the @Mock annotation?

What restrictions exist for defining a primary key in an SQL database table?

What is the purpose of the UNION keyword in SQL?

How can you create a servlet in Spring?