Java

What are the advantages of using lambda expressions in programming?

Which class is used for working with file system elements?

What is the problem with checked exceptions in Java?

What is the difference between a binary tree data structure and a B-Tree?

Junior — Middle

Aston

What is the main purpose of using the Factory Method pattern in software design?

How to connect an external directory or file to a Docker container during its startup?

Junior — Middle

СБЕР

Which class in Java is responsible for implementing a dynamic array?

Compare the Iterator and ListIterator interfaces. What are their main differences and when is it better to use each?

What is the average difficulty level of searching for an element by key in HashMap?

How is strict typing manifested in Java?

Can you list the main types of relational databases that you know?

Junior — Middle

IT One

Is a primary key unique, or can it be duplicated?

How to explain to a client the process of breaking down a monolithic system into microservices?

What happens if you try to get the same bean multiple times in ApplicationContext?

What is REST used for?

How many probes occur when calling the HashMap.get(key) method if the key is present in the table?

In what cases and which collections do you usually use in your projects?

Junior — Middle

СБЕР

Can you list the cache levels used in JPA?

What are HTTP methods?

When is it preferable to directly interact between microservices, and in which cases is it better to use other approaches?

Junior — Middle

Яндекс