If you create two independent parallel streams in one program, will they use the same ForkJoinPool? What problems does this create?
Java
In what environment is PostgreSQL usually run during unit testing to verify database functionality?
How to configure environment variables in Spring Boot via Kubernetes (ConfigMap/Secrets)?
Which key methods are activated when adding an element to a HashMap?
How did the threads understand whether they needed to send a request or not (shared Circuit Breaker counter in a multithreaded environment)?
Explain the principle of how HashMap works.
How does Spring AOP create proxies? Describe the proxying algorithm.
Did you work on a web-oriented application in your last project?
What branch structures have you used in Git?
How can a sequence of commits be combined into a single merge?
What metrics did you use to evaluate the level of database fill in your last project?
Can you explain what a handshake process means in network interaction?
Explain what is meant by a transaction in database management systems.
What income level do you consider?
Have you conducted system testing under high load conditions on a stand?
What is the difference between the UNION and UNION ALL operators when combining results in SQL?
Can you explain what the FutureTask class in Java is and how it is used for asynchronous tasks?
Name three differences between REST and SOAP.
Do you have experience using TaskExecutor in development practice?
What is @Transactional in Spring and what happens if the first method calls the second, both marked @Transactional?