What is the difference between @Repository and @Service annotations in the context of Spring?
Junior — Middle
200
Java
14668
265
What methods can be used to improve the efficiency of SQL query execution?
Junior — Middle
200
How many messages were there in the ACL service? Were there any issues with load balancing and load?
Senior
200
Can all elements end up in the same bucket immediately after hashCode calculation and key comparison?
Junior — Middle
200
What components within HashMap are used for comparing keys during search or insert operations?
Junior — Middle
200
How does the division and simultaneous execution of tasks on CPU cores occur?
Junior — Middle
200
What is the difference between Story Points and time estimation?
Senior
200
In which situations is it advisable to use pessimistic locking to manage access to resources?
Junior — Middle
200
What principles or criteria do you consider when choosing to use unchecked exceptions in your code?
Junior — Middle
200
What is the role of a mid-level developer in a software development team?
Junior — Middle
200
Provide a more realistic example of LSP violation from production.
Senior
200
Is it possible to use ArrayList for adding an element at the beginning of a list?
Junior — Middle
200
Can you list programming languages that run on JVM?
Junior — Middle
199
How to solve the problem of duplicate notifications when there are multiple instances of the job service?
Senior
199
If we rely on the class name — what restrictions will there be when extending?
Senior
199
Why are you leaving your current job and what are you looking for?
Senior
199
What are the main methods of the Object class used for working with threads and synchronization?
Junior — Middle
199
Do you have experience working with insurance?
Senior
199
If queries have become slow, what tools can help troubleshoot?
Senior
199
On what criteria should a monolith be decomposed into microservices?
Senior
199