Java

What is the difference between the classes PrintWriter and PrintStream?

What is the main idea of the Adapter pattern?

What are the differences between the JPA specification and the Hibernate implementation?

Junior — Middle

СБЕР

What is lazy loading?

What are indexes in databases?

Could you explain what is meant by 'isolation' in the context of databases or system architecture?

Junior — Middle

Aston

Why is logging often associated with aspect-oriented programming?

What is a 'view' and what is it used for?

List the main aggregate functions.

What main functions and tasks do you perform in your current project?

In what situations and for what purposes is the final modifier used in code?

What does the letter 'O' mean in the SOLID principles?

What tools and sources do you use to obtain necessary information and learn new technologies?

What does the current element signify when initially using the ResultSet object?

What tools or libraries are used to form database queries?

What is unit testing?

What is the purpose of the PushbackInputStream class in Java?

What is the difference between a stack and a queue?

In which situations should the synchronized keyword be used in a programming language to ensure thread safety?

Junior — Middle

СБЕР

How can a monolithic application be transformed into a set of separate microservices?