Android

Explain what the backpressure mechanism in the RxJava library is and how it affects the data stream

What is the class responsible for dependency injection configuration in an application called?

Do you often study external sources of information to expand your knowledge?

Junior — Middle

MagentaМТС Линк

What criteria and approaches should be used to determine the content and structure of a specific view in a project?

Junior — Middle

Яндекс Pay

What is the function of the invalidate method in the View class?

What role does UseCase play in the Clean Architecture structure and why is its use preferable?

Can you explain the concept of the equals method and its role in object comparison?

Why are synchronization mechanisms necessary in single-processor systems when working with multithreaded applications?

How to extend the functionality of an object or class using extensions?

In what situations is it recommended to use try and catch constructs for exception handling?

What methods can be used to retain and restore the state of an Activity in Android?

What specific task does a specialized single-threaded dispatcher perform in the system?

Junior — Middle

Альфа-Банк

Can you define a field in a data class that is excluded from hashCode calculation?

Junior — Middle

МТС Линк

Explain the difference between the Decorator and Facade patterns, their purpose, and use cases.

Junior — Middle

Альфа-Банк

How is automatic code generation in Dagger for dependency injection performed?

Junior — Middle

Яндекс

Can you list different types of tasks or processes performed in the system as Jobs?

Junior — Middle

Совкомбанк

Can you list and explain the main root concepts in the garbage collection mechanism?

In what cases and how can the keyword final be used in Java?

How to implement animation effects when updating items in a RecyclerView list?

Have there been situations where your colleagues disagreed with the proposal to use new technologies?