Flutter

Can you list and describe the types of widgets used in Flutter?

Explain the concept of StatefulWidget in Flutter and how it differs from StatelessWidget.

Junior — Middle

mobifitnessGrotemЯндекс+1

What technological stacks attract you for future work in the company?

Junior — Middle

Яндекс Маркет

What types of architectural solutions do you apply in your developments?

Junior — Middle

Wildberries

What is the purpose of using null reference protection mechanisms in programming?

What is the main function of data streams in programming?

Junior — Middle

Andersen

Describe your practical experience with relational database management systems.

Can you explain what Skia is and what it is used for?

Does Dart support the object-oriented programming paradigm?

What specific information does each node in the element tree structure contain?

Junior — Middle

Andersen

If the value in a Map is not needed, which collection is better to use instead of LinkedHashMap?

Have you used Flavors in your projects?

Junior — Middle

Andersen

Can you explain the working principle and purpose of the Builder pattern in software design?

Can you give examples of tasks that you found difficult and could not fully solve?

How do the service locator pattern and dependency injection (DI) differ in the context of software design?

Explain the difference between Subject and BehaviorSubject in the context of reactive programming.

What is the function or role of dynamic elements in programming and why are they necessary?

What is the time complexity of the operation of deleting an element from an array?

Can you explain what the StreamBuilder component is in the context of working with data streams?

How to estimate the time complexity of reading an element by index in an array?