Java

What methods can be used to view the list of previous changes in the code version?

Can you name the main components that make up the structure of an HTTP request?

What is thread safety?

What is UML? Explain what a diagram, notation, and metamodel are in UML.

What is dependency injection in software development?

What role does polymorphism play in object-oriented programming?

How to ensure access to object data within a method using the @Transactional annotation?

Junior — Middle

СБЕР

Where and for what is the abstract modifier used?

How is data search performed using indexing in PostgreSQL?

Junior — Middle

Билайн

Is it possible to create new instances of a class while a static synchronized method is executing?

For what reasons is Java considered a programming language that does not fully comply with object-oriented principles?

Have you ever overridden the equals method yourself?

What is the World Wide Web (WWW)?

Can you list the main properties or characteristics that classes can have?

What are the differences between the annotations @Component, @Controller, @Repository, and @Service in Spring, and what are their purposes?

How is object instantiation performed in object-oriented programming?

Has the same URL been used to configure the Spring DataSource source?

Junior — Middle

СБЕР

What prompted you to choose Quarkus for migrating your project?

Does the data structure list support traversal in both directions or only in one?

What is the main role of the Java Virtual Machine in executing Java programs?