Java

What consequences may arise when attempting to modify a collection while iterating over its elements?

Can you name the main interfaces used in the collection hierarchy?

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

Can you explain what is meant by view in the context of a database?

Why is it not recommended to declare the Entity class as final?

Can you name the main protocols used for data exchange between web services?

Explain the structure and principles of organizing exception hierarchy in programming languages.

Which interface in collections provides the ability to iterate over elements using an iterator?

How does the garbage collector mechanism decide which objects to delete from memory?

How are the main principles of object-oriented programming implemented in Java?

How do user identity verification processes differ from access to specific resources in a system?

How can it be determined whether an Optional object contains a value?

What methods and approaches are used to prevent the occurrence of ConcurrentModificationException when working with collections in a multithreaded environment?

Which classes in Java are descendants of the Object class?

What third-party libraries or tools did you use when creating automated tests?

Can you explain what the memory model in Java is and how it affects program execution?

Junior — Middle

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Can you describe the main types of operations available in Java's Stream API?

Junior — Middle

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How to determine the properties of a class so that Hibernate can correctly map it to a database?

What is the beginning of the error handling hierarchy in programming?

Can you explain what is meant by transforming objects into a data stream for storage or transmission?