Have you used data grouping methods in your projects?
Junior — Middle
204
Java
14686
265
Can you explain what BeanFactoryPostProcessor is in the context of Spring?
Junior — Middle
204
What happens inside a HashMap when a collision of keys occurs during insertion?
Junior — Middle
204
In which situations is it advisable to use pessimistic locking to manage access to resources?
Junior — Middle
204
What type of transactional management is used by default in Spring Framework?
Junior — Middle
204
Explain the role of component P in the CAP theorem and its impact on distributed database systems.
Junior — Middle
204
Tell about ThreadPool, ForkJoinPool, and its features.
Senior
204
Refine the method so that it returns an error upon overflow. Demonstrate with an example of adding two numbers.
Senior
204
What optimization methods can be applied to improve performance when using lazy loading in JPA?
Junior — Middle
204
What knowledge do you have about working with indexes in database management systems?
Junior — Middle
204
What is the role of a mid-level developer in a software development team?
Junior — Middle
204
Tell us about the features of upper and lower bound constraints in wildcards (PECS principle, covariance/contravariance)
Senior
203
How do you ensure atomicity of operations when interacting with microservices?.
Junior — Middle
203
Which data collection do you use most often and why?
Junior — Middle
203
In what situations is it recommended to use checked exceptions in programming?
Junior — Middle
203
Can it be considered an error if a stack overflow error occurs, whether checked or unchecked exception?
Junior — Middle
203
What ensures the absence of conflicts between consumer groups when processing a single message in a message consumption system?
Middle — Middle+
203
Where are strings stored in Java?
Senior
203
Is it possible to catch an OutOfMemoryError in a try block, and what are the features of this approach?
Junior — Middle
203
What protocols for data exchange were used in your last project?
Junior — Middle
203