Java

How does the JVM manage automatic garbage collection of unused objects?

How are Bean components created and managed within the Spring Framework?

Junior — Middle

СБЕРeRaga Infosystem

Describe the mechanism of the HTTP protocol and how it facilitates data exchange between the client and the server.

How did you start working with Java and what motivated you to choose this programming language?

Junior — Middle

AstoneRaga Infosystem

Can you explain how transactions are implemented within the Spring Framework?

Explain the difference between components and services in Spring Framework.

Junior — Middle

айтекоeRaga InfosystemAston

Is there a Git command that can identify the specific commit that caused an error or failure?

How does the interaction between a Spring application and a PostgreSQL database occur?

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

Junior — Middle

SimbirsoftAstoneRaga Infosystem+4

How is the configuration and registration of a Bean carried out within the Spring Framework?

How to choose the right index to improve search performance in a database?

Where inside the method is an Integer variable stored?

What is the role of the @Primary annotation in the Spring framework and when should it be used?

Junior — Middle

AstoneRaga InfosystemТехнодиасофт

What methods and tools do you use to detect memory leaks in applications?

What is the main purpose of using JPA in Java application development?

Can you name the main modules of the Spring framework that you use or know?

Can you explain how the AtomicReference class is implemented and works in Java?

What processes does the garbage collection system perform when freeing memory in an application?

Do all objects in Java automatically inherit the equals method from the Object class, or are there exceptions?

Is a unique hash code automatically provided to each object in Java, or does it only oblige the developer to implement it manually?