Java

What version of Java do you use in your work?

Could you explain the purpose and usage of the @SpringBootTest annotation in testing Spring Boot applications?

Junior — Middle

AstonIfellow

How does Spring determine which interface implementation to choose when using @Autowired with multiple options?

How quickly can you find an element in a linked list?

Can you explain what the term 'consistency' means in the context of ACID transaction properties?

What is the purpose of a Consumer Group in Apache Kafka?

Junior — Middle

ООО АнтараAstonIfellow

Tell us about your experience in developing starter templates or template projects

Is it possible to use null as a key in HashMap and what problems might arise?

How to determine the time costs of adding an element to a linked list?

What type of data is returned by the hashCode method?

How have you created and configured dashboards in Grafana in your experience?

What values can variables of type int take in your chosen programming environment?

What tools and methods did you use when implementing multithreading in your projects?

Can you explain what is meant by reliability in the context of ACID transaction properties?

What is the role of indexes in an SQL database and why are they used?

Explain the principle of bulk data update operation in a database.

What methods can be used to execute SQL queries in Java using JDBC?

What main methods and data structures ensure efficient information retrieval when using indexing mechanisms?

How is the performance of searching for an element in an ArrayList evaluated?

Can you explain what the @WebMvcTest annotation means in the context of testing Spring applications?