Java

How can the Prototype pattern be implemented together with the Singleton pattern?

Middle — Middle+

СБЕР

Where in the application is the Singleton component instance usually implemented and stored?

Describe the main practical principles of working with JSP.

What are the main functions of the API for database operations in Java?

What is the difference between creating a string with double quotes and calling the new String constructor?

Explain the differences between the keywords 'final', the 'finally' block, and the 'finalize' method in Java.

What approaches can be used to improve data search efficiency in a table?

What is the idea of multithreading?

What does it mean to perform an operation without saving state on the server side?

Junior — Middle

Aston

What is specified in parentheses when using the synchronized keyword?

What are message brokers?

Are data in Java passed by reference or by value?

What is a Set in Java?

What is a Parallel Stream?

What is the difference between object-oriented programming and functional programming?

What is the semantics of 'as-if-serial'?

What do you know about the Exists operator?

What methods of error handling and exceptional situations are you familiar with?

Junior — Middle

Aston

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

Junior — Middle

AstoneRaga InfosystemТехнодиасофт

What is the difference between static and dynamic binding in Java?