Java

What do the expressions "is" and "has" imply in the context of object-oriented programming (OOP) principles?

What is the difference between a regular object and a JavaBean?

What does the For Each method return in a functional interface?

What is your development experience using the Spring framework?

Have you used the CompletableFuture class in your projects?

Junior — Middle

AstonСБЕР

What are the differences between the REST protocol and Kafka messages in data exchange?

Junior — Middle

Газпромбанк

What is the maximum time it can take to retrieve an element by key from a HashMap data structure?

What do you think about checked exceptions in Java?

What are resource constraints in a system or application?

How to select from the table those records where the number of students exceeds twenty?

Can you name the main terminal operations used in Stream API?

Junior — Middle

AstonIT OneProoftech

How can global exceptions of type Exception be caught in a handler to identify and operate on a specific user error subtype?

How did the team exchange and discuss ideas during the project?

How can the same business logic be applied to different Bean components in Spring, avoiding code duplication?

Junior — Middle

Альфа-Банк

What version of Java was used in your current project?

Have you worked in a large team on your last project?

Junior — Middle

СБЕР Страхование

Could you explain the principle of lazy evaluation in data streams?

Will the preparation for future interviews become easier?

Can you provide an example of an SQL query executed in PostgreSQL?

Junior — Middle

Яндекс

Can you explain what a variable is in programming?