Android

Is it possible to cancel a coroutine launched via GlobalScope?

Is it possible to instantiate a class object that does not fully implement its functionalities?

What is the difference between sealed classes and enum classes in Kotlin, and what are their main differences?

Junior — Middle

amoCRMViasat techСовкомбанк

How does ViewModel maintain its viability after the Activity is destroyed?

Explain the mechanism of interaction between async and await in coroutine processing.

What is the main role of the Bridge pattern and its advantages in system design?

How is the integrity of operations implemented and guaranteed within a transaction?

How is the lifecycle of an Activity managed in Android when the device configuration changes?

How is the extension function in Kotlin implemented and how does it work at a low level?

Can you explain what the hashCode method in Java is used for and how it is implemented?

Junior — Middle

Ozon FreshПочтатехViasat tech+1

Which of your past projects or tasks stands out to you the most and why?

How is asynchrony implemented when using coroutines?

What is the difference between using requestLayout and invalidate methods during interface update?

Are there any restrictions on what can be done inside the onReceive method of a BroadcastReceiver?

Can you explain how the HashMap data structure is implemented and how it provides fast access to elements?

Junior — Middle

UzumViasat techOzon Fresh+3

Can you explain what the AssistedInject mechanism in Dagger is and what it is used for?

How is the collection structure organized and how are they related to each other?

Are there any limitations or features of using data classes in Kotlin?

Is it possible to create inheritable data classes from other classes in Kotlin?

Is it possible for a scenario where more than one thread of execution exists simultaneously?