Can you highlight your most significant professional achievements and results?
Junior — Middle
334
Java
14621
265
Can you explain the concept of maturity levels in REST architecture?
Junior — Middle
325
Are you responsible for maintaining and operating the services in production?
Junior — Middle
288
How does creating an instance of the Object class determine the allocated memory space?
Junior — Middle
271
Could you explain what a Servlet is in the context of Java web development?
266
What are the consequences of calling the clear method on an ArrayList object in Java?
Junior — Middle
255
What are the main tasks solved by the Spring framework in application development?
255
What advantages does the third normal form provide in database normalization?
Junior — Middle
254
Explain what a ConcurrentHashMap is and how it ensures safety during parallel data access.
Junior — Middle
250
Is it possible to send a separate message to a Telegram channel from a list of companies?
Junior — Middle
248
What resources and materials do you use to learn the Spring framework?
Junior — Middle
232
What level of transaction isolation is provided in PostgreSQL and how does it affect data integrity?
Junior — Middle
227
Explain the difference between INNER JOIN and OUTER JOIN in SQL and in which situations each is used.
Junior — Middle
227
What experience do you have in writing and optimizing native SQL queries?
Junior — Middle
221
What is the main role and purpose of Spring Cloud components in microservice development?
Middle — Middle+
220
How is thread safety implemented in Java for ConcurrentHashMap?
Junior — Middle
218
Will calling the clear() method affect the memory usage of the ArrayList data structure?
Junior — Middle
217
What amount of memory is freed when calling the clear method on a list containing 1 million Integer objects occupying 48 MB of memory?
Junior — Middle
217
Which version of the Spring framework was used in your project?
Junior — Middle
216
What approaches can be used to avoid exceptions when using lazy objects?
Junior — Middle
214