Java

Should an index be created for each column in a database table?

Junior — Middle

Банк Россия

What is the main purpose of using Spring Boot in Java application development?.

Junior — Middle

СБЕР

How is the principle of data hiding implemented in Java to ensure encapsulation?

Junior — Middle

СБЕР

How to optimize access performance to objects after their synchronization?

Middle — Middle+

Aston

What annotations are used to create beans in Java?

How is the display and monitor settings management implemented in the system?

Can you explain what a node in a linked list is and what role it plays?

What is the function of application servers if servlet containers exist?

Did microcontainers ensure data exchange between each other without intermediaries?

Junior — Middle

СБЕР Страхование

What are the advantages and disadvantages of using functional programming?

Junior — Middle

СБЕР

Can you list and explain the different variations of the git reset command?

Junior — Middle

Aston

What is your experience with using ConcurrentHashMap in your projects?

Explain the principle of bulk data update operation in a database.

Can you explain what parallel streams mean in Java Stream API?

Have you used a second-level cache in Hibernate in your last project?

Junior — Middle

Северсталь-Ифоком

How does the DispatcherServlet component function in the process of handling HTTP requests in Spring MVC?

Can you explain what components Docker consists of and how they interact?

Junior — Middle

СБЕР

Can you explain the working principle of FixedThreadPool and how it differs from other thread pools?

What components does the concept of Parallel Stream consist of and how does it work?

Junior — Middle

СБЕР

What difficulties can arise when overriding the hashCode method if it always returns one?