Java

Explain the principle of external join in SQL, including its types and use cases.

How is the efficiency of operations in a HashMap data structure evaluated in terms of algorithmic complexity?

Can you name books you have studied or used in your professional activity?

Do you have any questions about the team or project?

Explain the role of the 'head' pointer in the Git version control system.

Can Collections be considered a fundamental class in Java?

Can a red-black tree be considered a binary tree and why?

What is your priority time range when searching for a job?

What distinguishes Error from other exception types in programming languages?

How did you develop the final layouts and schemes in your last project?

What are the main requirements for keys in databases or data structures?

Are you already familiar with our project and its main aspects?

What does the LazyInitializationException mean and in what situations does it occur when working with ORM?

Junior — Middle

SberDevicesAston

Can you hear me well and am I conveying my message clearly?

Junior — Middle

СБЕРSberDevices

Can indecisiveness or a negative attitude of colleagues become an obstacle to completing a task and demotivate the team?

Can you explain the purpose of the @Repository annotation in Spring and how it is used in working with databases?

Junior — Middle

SberDevicesRed CollarСеверсталь-Ифоком

How clearly can the image or information be seen?

How to distinguish between synchronous and asynchronous calls and what are their main differences?

Do you have any questions about the project we worked on?

Junior — Middle

СБЕРSberDevicesHftlabs

Have you paid attention to complex and confusing code, and managed to understand its structure and logic?