Java

Have you had experience creating native applications in Java?

Junior — Middle

Формат кода

Have you developed database structure and schema?

Junior — Middle

СБЕР

Have you worked with real-time databases in your projects?

Circuit Breaker: implementation and states of the algorithm.

Senior

СБЕР

What is the main idea behind the HashMap data structure?

Junior — Middle

ОТП Банк

Is reliable message delivery in Kafka ensured?

Can you name common deviations or problems encountered in databases?

When and why should you use ConcurrentHashMap instead of a regular HashMap in a multithreaded environment?

Junior — Middle

Т-Банк

Can you list the main methods of the Collections class in Java?

Junior — Middle

СБЕР

How can you identify a problem in garbage collection by analyzing heap memory dumps?

Middle — Middle+

Т-Банк

What tools or libraries do you use to implement asynchronous work with the HTTPS protocol?

What experience do you have with the locking mechanism (Lock) in development?

Junior — Middle

Simbirsoft

Is it possible to use the '==' operator for string comparison in programming?

Java task: given an int[] array, form two lists — only unique and only duplicates.

What is the difference between intermediate and terminal methods in programming?

Junior — Middle

IT One

What recommendations would you give to colleagues or newcomers in your field?

What is the role of the JOIN operator when combining tables in SQL queries?

Can you give an example of when and why data hashing is used?

Junior — Middle

Уралсиб

How does DispatcherServlet identify the specific controller class to handle an incoming request?

Have you studied the official Kubernetes documentation?

Junior — Middle

СБЕР