Tell us about the last task you successfully completed and describe your approach to it.
Junior — Middle
188
Java
14621
265
Where else do immutable objects show their advantages?
Middle+
187
What are equals and hashCode? What is the relationship between them?
Senior
186
How do you understand that the code is complete and can be sent for review?
Middle+
186
Do you work with the Linux operating system in your projects?
Junior — Middle
186
Explain the transaction implementation mechanism in Spring Data JPA.
Junior — Middle
183
When should external caching (Redis) be added? What are the criteria?
Middle+
183
What methods ensure safety when writing multithreaded programs?
Middle — Middle+
183
What was the last project or task you successfully solved in your practice?
Junior — Middle
181
What does high workload mean to you?
Middle+
179
How to organize cache for external integration? What are the cache parameters?
Middle+
177
What are the requirements for keys and values in HashMap?
Middle+
177
What situations or tasks at your new job would you like to avoid?
Junior — Middle
176
Tell about your work experience and your last project.
Senior
176
What tools and constructs are used in Java Core to implement asynchronous programming?
Junior — Middle
176
What is the default hash code in HotSpot JVM?
Senior
174
What is the complexity of accessing the first and last elements in an ArrayList?
Middle+
172
How to write a test for Kafka (producer/consumer)?
Middle+
172
Why are hash functions with minimal collisions not used?
Senior
170
How does Spring resolve beans if there are multiple implementations of the same interface?
Senior
169