Java

Can you identify the disadvantages of using the bytecode interpretation method? What are potential problems with this approach?

Why is it recommended to use the StringBuilder class for working with strings in Java instead of the usual concatenation operator (+)?

How is dependency injection implemented in Spring Boot?

Explain the purpose of the clone() method in object-oriented programming.

Junior — Middle

СБЕР

What numerical value did the team have in your last organization?

Junior — Middle

Ростелеком

What is the role of layered architecture in applications developed using Spring?

How to identify which SQL queries require analysis in PostgreSQL?

Junior — Middle

Т-Банк

What behavior will the method have if both @RequestMapping and @PostMapping are specified in the annotation?

Can you describe the architecture of microservices you have developed before?

Junior — Middle

СБЕР

Tell me about Cassandra: consistency, guarantees, features

What are intermediate operations in the Stream API and how do they work?

By how much does the array size increase when filled up to half of its capacity?

Could you explain the purpose of the hashCode method and its importance when working with data collections?

Can you name different types of configuration settings used in systems?

Could you describe the main goals and requirements set for you in the last task you completed?

Junior — Middle

СБЕР

What are the main methods available in the HttpServlet class?

Can you list the types of data loading in JPA and explain their differences?

Junior — Middle

ВТБ

What is the main purpose of database replication?

How was the last SQL query you used in your project formed?

Junior — Middle

ОТП Банк

Why is the POST method more often used for transmitting confidential data in requests than GET?