Java

How can a new branch be created in the Git version control system?

Which Spring Boot component provides dependency injection through abstract interfaces and implementations?

What methods do you use to manage database interactions in your projects?

Junior — Middle

Иннотех

What is the difference between null in database management systems and in the Java programming language?

Junior — Middle

Aston

What is the difference between using a simple Statement and a prepared PreparedStatement for executing SQL queries in JDBC?

Junior — Middle

FirecodeIT OneR-Style Softlab

What factors are important when applying pessimistic locks in database systems?

Junior — Middle

СБЕР

Have you had experience working on three different tasks simultaneously in one day?

Junior — Middle

Формат кода

Can you explain the differences between the annotations @Controller and @Component in Spring, and their purpose?

What is the time complexity of searching for an element in a HashMap in the worst-case scenario?

Junior — Middle

Aston

What is an alternative (alternate) key?

For what reason are data structures like Map used to implement caches?

Junior — Middle

Aston

Как влияет удаление элемента из очень большого массива на его производительность?

What types of testing scenarios have you implemented or tested in your practice?

Will the equals method return true when comparing objects of different classes if their fields match?

What tools or libraries are used for managing execution threads in software solutions?

How do you implement testing using parameters and what is your experience in this area?

Junior — Middle

Aston

What are the advantages of microservice architecture compared to monolithic?

Can you name the main architectural patterns used in the Spring Framework?

In which cases should an abstract class be used, and in which cases — an interface?

Is Stack a long-term data storage?