Java

Could you explain the concept of the template method and its application in development?

What data types exist in Java?

Do you engage in professional activity in your field?

Intern — Junior

СБЕР

How does the close() method work when working with a database connection pool?

Explain the purpose and operation of the System.exit function in Java.

What methods are used in Spring to implement and manage transactions?

What can be seen in pg_stat_statements? What is stored there regarding queries?

Senior

Т-Банк

Who was involved in testing and system analysis on the project?

Senior

IT One

How can all possible values of an enum type be extracted?

Junior — Middle

СБЕР

What is XSLT?

Have you extracted requirements directly from the client or customer?

What data types exist in XSD?

What are the main principles and capabilities of object-oriented programming implemented in Java?

Could you explain the purpose of the equals method in Java and how it is used for object comparison?

What characteristics should the key area in a TreeMap have to ensure its proper functioning?

What is the difference between the toList() method and the collect(Collectors.toList()) method in Java's Stream API?

Junior — Middle

Северсталь-Ифоком

What are the main features introduced in the Servlet 3 specification?

Which interface extends the other: Queue extends Deque or Deque extends Queue?

What are the differences between using HashMap with synchronized methods and using ConcurrentHashMap in a multithreaded environment?

Junior — Middle

Effective MobileАльфа-Банк

What is a namespace in XML?