Java

Can you explain what the function of the peek method is in the context of working with collections or data structures?

What is the purpose of the propagation parameter in the @Transactional annotation in Spring?

Can you explain the concept of error handling structure in programming and how it is organized?

Junior — Middle

IT Oneайтеко

Explain the structure and sequence of organization of different types of collections in programming languages.

Have you had experience using remote debugging during development?

Can you tell about different types of garbage collectors used in Java or other programming languages?

Junior — Middle

СБЕРайтекоВТБ+1

Explain the working principle and purpose of the StringBuilder class in programming.

How does the garbage collection mechanism handle objects linked in a cyclic chain?

How is the HashMap data structure implemented and how does it ensure quick access to elements?

Junior — Middle

StrokiСБЕРRed Collar+6

Is it possible to define a constructor inside an abstract class?

Can you name the main types of systems for storing information in databases?

How is element addition to a HashMap structure performed using the put method?

Junior — Middle

айтекоAston

Could you name different types of methods used in data streams?

Can you name the main primitives and tools provided in the java.util.concurrent package for organizing multithreaded execution?

What happens if stack memory overflows and how does it manifest as an error?

What algorithm and its time complexity are used for accessing an element by position in a linked list?

Junior — Middle

айтекоСБЕР

How is the hierarchy of different collection data types structured?

Junior — Middle

AstonИннотехайтеко

What happens if the hashCode() method returns a random number each time it is called?

What is the purpose of a semaphore in multithreaded applications?

How is the hashCode method implemented in Java and how does it affect the operation of hash tables?