Java

Can you explain what BeanPostProcessor is in the context of Spring Framework?

Junior — Middle

TiqumСБЕРDCloud

Explain what it means to have a method with a default implementation inside an interface in a programming language.

How is the efficiency of searching for an element in a LinkedList data structure evaluated?

What database management systems have you already worked with?

Tell us about your experience with distributed transactions and their implementation.

Can you explain what the intern() method does for a String object in Java?

Have you configured and optimized databases in your projects?

Can you list the main interfaces in the Java Collection Framework?

Explain the principle of building and the structure of a binary data tree.

Can you give an example of an interface in Java or another language that contains only one abstract method?

Could you explain the 'many-to-many' relationship concept in Hibernate and how it is implemented?

Which built-in data structure indexes tables by default in PostgreSQL?

Can you give an example of an interface used only as a marker or label without methods?

In what cases does a binary tree structure convert into a linear list?

How to distinguish a binary tree from a red-black tree and how do they differ in implementation and properties?

Junior — Middle

TiqumAston

How can you create a completely independent copy of an object, including all nested elements?

How is the hash value for an object calculated?

Explain what the N+1 problem is in using Hibernate and how it affects database performance.

How is the efficiency of element search within a hierarchical tree structure evaluated?

What is your experience with implementing the Saga pattern in distributed transactions?