Android

What is the difference between main activity and regular activity in Android?

Is it possible to instantiate an object without specifying a variable name?

Junior — Middle

Ozon Fresh

Do you use an interface for implementing the repository or create it directly?

Have you had experience using ReentrantLock for thread management?

Does the library or framework support a type that allows null value for Any type?

Are you married?

Junior — Middle

FixPrice

How would you independently implement the MVVM architectural approach?

What lifecycle methods of Activity do you know and how are they executed?

What is stored in the JVM stack area during program execution?

How often is the reorganization of a function using a Stable parameter performed when working with Jetpack Compose?

Junior — Middle

МТС Линк

How does error handling inside coroutines using try/catch differ from using CoroutineExceptionHandler?

Junior — Middle

Газпром МедиаЮрент

How is the lifecycle of a fragment managed in Android when the device configuration changes?

How does the 'out' keyword interact with collections in Java?

Is it permissible to use built-in primitive types in Kotlin for data storage?

Can you explain the structure and role of the Domain layer in the Clean Architecture?

Is the difference between DDL and DML commands in databases, and how is it determined?

Can you list the main components and their roles in the Domain layer architecture according to Clean Architecture?

What is the difference between SourceSet and target in project configuration?

What is the difference between Android 7 and Android 8?

What are the implementations of lists in Java?