What are the main tasks and goals set by a specialist in their professional activity?
Junior — Middle
300
Java
14770
265
Are specific annotations from the Spring package used with @RestController?
Junior — Middle
300
What is the difference between the scope of Singleton and Prototype in the context of dependency injection?
Junior — Middle
300
How does storing information in PostgreSQL using built-in methods differ from simple storage as text data?
Junior — Middle
300
What is the structure of the Java collection framework?.
Middle
300
What data structure provides the highest speed with the Command pattern, and what can replace this pattern?
Middle+
300
Tell me how you eliminated the N+1 problem in your recent project.
Junior — Middle
300
What behavior does the 'volatile' keyword in Java ensure?
Junior — Middle
300
Are collisions a characteristic feature of data structures like lists?
Junior — Middle
300
What methods and features exist for deleting data linked with foreign keys in a database?
Junior — Middle
300
What methods do you use to confirm the quality and reliability of your code?
Junior — Middle
300
Can you explain what is meant by 'Fraud' in the context of information security or financial systems?
Junior — Middle
300
What principle should be followed when creating an immutable class?
Junior — Middle
300
What affects the greatest time complexity when inserting an element into an ArrayList?
Junior — Middle
300
In what situations is it recommended to use an abstract class in object-oriented design?
Junior — Middle
300
Have you ever faced situations where you had to make difficult or non-standard decisions?
Junior — Middle
300
How did you identify and fix errors in your last project?
Junior — Middle
300
Name the main implementations of the Map interface in Java.
Junior
300
Can an object access the private variable of another class, and if so, how?
Middle
300
Can you provide a real example of a situation where mutual resource locking occurred in a system or life?
Junior — Middle
300