What is the maximum number of messages Kafka can store in its queue?
Junior — Middle
278
Java
14621
265
Explain the concept of denormalization in a database and its consequences for the project.
278
Can you tell us about the most frequently used design pattern?
Junior — Middle
277
How to determine the optimal number of sections for a topic in a messaging system?
Junior — Middle
277
What are the main limitations when using the UNION operator to combine result sets in SQL?.
Junior — Middle
277
Explain the purpose of the shared lock mechanism in database management systems or multithreaded programming.
Junior — Middle
277
What are the main tasks solved by the Spring framework in application development?
276
Have you used the HAVING operator in SQL queries?
Junior — Middle
276
Can you explain the concept of happens-before in Java and its role in ensuring thread safety?
Junior — Middle
276
How is the index of an element determined when accessing an element in an ArrayList, and what is the resulting time complexity?
275
Explain the principle of operation of the Write-Ahead Log and its role in ensuring data reliability.
Middle — Middle+
275
Can you explain what the operational complexity O(1) means for an algorithm?
Junior — Middle
275
Can you explain the concept of Stream API in Java and how it is used for data processing?
Junior — Middle
274
What is the limit of the foreign key constraint in a database?
Junior — Middle
274
What is the variable 'type' on line 19?
Senior
274
Do you have experience designing and implementing event-driven architecture systems?
Middle — Middle+
274
What key components or functions are missing in the current implementation of the project?
Junior — Middle
274
Have you had experience developing applications using Spring Boot?
Junior — Middle
274
On which platform was your last project built?
Junior — Middle
273
Какова роль инструкции FROM в Dockerfile и зачем она необходима?
Junior — Middle
273