Java

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?

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

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?

Can you explain what the imperative programming style means?

Junior — Middle

ОТП Банк

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?

How can dependent related objects be processed when fetching data from the database?

Junior — Middle

СБЕР

Can the implementation of a static method in a subclass be changed by overriding it?