Java

Explain the purpose and usage of the @Qualifier annotation in the context of the Spring Framework.

Junior — Middle

БАРС групп

How to determine the maximum allowable number of containers within a single project?

Can you explain the differences between a table, a column, and a row in a database?

How does Read Committed work inside PostgreSQL?

Can you name typical transaction isolation violations encountered when working with databases?

Can you explain the essence of the dependency inversion principle and its role in software development?

What parameters are used to evaluate team performance?

Junior — Middle

Simbirsoft

At what stage of the merge operation do you resolve conflicts in the commit?

Junior — Middle

Aston

How is the ResultSet class in Java structured?

What is method overloading?

What type of work do you prefer to do within this project?

Junior — Middle

СБЕР

Can null values be used as keys in TreeMap?

Junior — Middle

ВТБ

What do you know about the RandomAccessFile class?

What does 'sleeping' a thread mean in Java?

How is dependency injection implemented in Bean when they are detected in the context of Spring or similar frameworks?

How do lambda expressions implement and interact with functional interfaces in programming languages?

Junior — Middle

СБЕР

Can you give an example of violating the Liskov principle when using standard libraries?

Junior — Middle

Aston

What are the key characteristics of interfaces in programming?

Junior — Middle

Северсталь-Ифоком

What are the advantages and disadvantages of using PreparedStatement compared to regular SQL queries?

What is the function of classes in the structure of the software type system?