Java

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?

What data type can be used to store a sequence of elements in programming?

Junior — Middle

Яндекс

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

Почему важно переопределять методы equals и hashCode в Java?

What is the purpose of the @Bean annotation in Spring?

How does the class loading process occur in JVM during Java program execution?

Tell us about your experience working with the RabbitMQ queue system

Junior — Middle

Иннотех

What are the main principles and recommendations for overriding the equals method in Java?

Junior — Middle

ВТБДиасофт

What is the difference between a Spring component and a bean, and what are their main features?

Junior — Middle

ВТБ

Why is using parallel streams faster than sequential ones when calculating the sum of numbers from 1 to 100?

Junior — Middle

Альфа-Банк

Tell us about your achievements and successes in your professional field.

What type of tree is used inside the TreeMap data structure?

Junior — Middle

СБЕР

What is the difference between Spring Boot and the core part of the Spring Framework?

Junior — Middle

СБЕРIT OneSimbirsoft+4

How can an infinite loop be created using HashMap?

What are stored procedures and how can they be invoked via JDBC?