Java

Can you explain what the Vaadin framework is and its main features?

What are the implications, advantages, and disadvantages of removing data types in programming?

How do different versions of the Java environment differ, and how can these differences affect application development?

What are the main fields in an entity that should be present for proper Hibernate operation?

Have you experienced nervousness or stress during an interview?

How to implement a Singleton pattern with lazy initialization in Java?

Why is it recommended to put sensitive information in the body of an HTTP request instead of URL or headers?

Have you applied virtualization technology in your last project?

What annotations are used in RESTful services for handling data read operations from the database?

How have you deployed or launched your application on server infrastructure?

Experience in transferring parameters of complex user objects from the design stage to the program execution process?

Did you connect to the server during your last project?

Can you explain the mechanism of element links in a singly linked list?

Did this person reside in Saint Petersburg?

What optimization methods can be applied to improve the performance of a service that performs many identical resource-intensive tasks?

Have you had experience configuring the -Xmx option in Java applications?

Have you had experience configuring or using the -Xms parameter when launching JVM?

Have you used XML formats for configuring beans in a Spring environment?

How would you plan the development of a service that handles a large number of similar resource-intensive tasks?

Why is it important to use parameterization when working with data collections?