Java

What will happen to the garbage collector if the finalize() method takes a significant amount of time or an exception is thrown during its execution?

What is the reason for avoiding the use of the parallelStream method in certain cases?

Is it possible to declare a field in a servlet handler as non-static and immutable after initialization?

Junior — Middle

СБЕР

What are the differences between GET and POST methods when sending requests in a browser?

Junior — Middle

СБЕР

Can you list the main built-in functional interfaces in standard libraries?

Junior — Middle

СБЕР

What features of NIO (New Input/Output) do you know?

On what principle did you decompose the system into microservices?

Middle+

Альфа-Банк

What problem does polymorphism solve in programming?

Is Bean a class or an object?

How to determine the optimal size of the thread pool for a specific application?

What is the purpose of the try-finally structure in Java?

What resources or data are blocked during the use of pessimistic locking?

Was the specification of non-functional requirements from the client discussed in your last project?

What reasons might hinder the use of native SQL queries within the current project?

In what situations does automatic resource or connection closing occur?

What is XML?

What is ACID in the context of databases?

In what ways can you iterate over elements of a collection in programming?

Explain the principle of operation of the Write-Ahead Log and its role in ensuring data reliability.

Middle — Middle+

СБЕР

What methods do you know in the Object class?