Java

What role does Metaspace play in JVM memory management?

How do you implement the mechanism of adding a client tag to the database during the loan repayment process?

Describe the process of detecting, analyzing, and fixing errors in a project.

What Java objects can be placed in the string literal pool?

How to determine the execution time of removing duplicates from a sorted array?

How does the implementation of virtual threads reduce CPU load?

How does Spring Security associate an incoming request with a specific client and its access rights?

Why is it sometimes considered that abstraction is not part of the main principles of object-oriented programming?

Where are reference data types stored?

What is the purpose of using the wait() method in the Object class in Java?

Junior — Middle

ООО АнтараСБЕРProoftech+2

Does HashMap guarantee a specified complexity for element retrieval?

Can you stay for an additional discussion or clarification on the questions that arose?

What is the purpose of the CompletableFuture class in Java and in what scenarios is it usually used?

What types of links are used in Java?

In what cases is it preferable to directly call another service for integration?

What type of access modifier ensures that a derived class can access the fields of the base class?

How does thread-based shared memory variable reading occur?

How to formulate an SQL query for integration with Spring Data JPA repositories?

Junior — Middle

СБЕР

Which type of Map data structure ensures the preservation of insertion order?

What aspects of database query handling help determine the SQL profiler tool?