Java

At what level of interviews is the need to use primitive data types in programming considered?

Is it possible to add a repeating record to a table that has a primary key?

What consequences can arise from changing data in the database through a method in the code?

How can a Java application be run on different operating systems?

How do Java and JavaScript differ in their features and purposes of use?

Junior — Middle

СБЕР

Tell us what you did in your previous project and what was your role?

Junior — Middle

ВТБ

What parameters or settings should a controller have to be detected by DispatcherServlet?

What happens if you insert the eleventh element into an ArrayList that already contains ten elements?

How to ensure sequential processing of transactions for one user in Kafka?

Could you explain what is meant by architectural design patterns of systems?

What approaches and tools are used to detect memory leaks in Java applications?

Can you tell about how you started working on server-side application development?

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 list the key features and advantages of PostgreSQL?

How is the ResultSet class in Java structured?

How to add constraints to a database?

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?