In what situations is it advisable to use a synthetic key in a database?
Junior — Middle
186
Java
14639
265
Why does @Async not work when calling methods within the same class in Spring?
Senior
186
How did you interact with the JVM when working with programming languages that use this platform?
Junior — Middle
186
In which cases should the @Repository annotation be used in a Spring application?
Junior — Middle
186
What are the causes of OutOfMemoryError and how to find a memory leak?
Senior
186
What does the package modifier mean in the context of scope in programming language?
Junior — Middle
186
Design an API for generating a bank statement (PDF document, which takes a long time to generate). What endpoints are needed?
Senior
185
What does the SELECT operator in SQL generally look like?
Senior
185
Why did you decide to change your job?
Senior
185
Do you have any questions about the project we worked on?
Junior — Middle
185
How is code quality control organized?
Senior
185
What is a deadlock? How to avoid it?
Senior
185
What are the advantages and disadvantages of using YAML for configuration files?
Junior — Middle
185
How can a string value be converted to an integer type in PostgreSQL?
Junior — Middle
185
What are agents and agent systems? How do they differ from a regular chat?
Senior
185
What are virtual threads (Green Threads / Virtual Threads) and how do they differ from regular threads?
Senior
185
How to find out if an index has been applied and which one exactly?
Senior
185
Have you used database connection in your unit tests?
Junior — Middle
185
Under what conditions should the equals and hashCode methods in Java be consistent?
Junior — Middle
185
Can you explain the concept of a monitor in Java and its role in thread synchronization?
Junior — Middle
185