Android

Is it possible to pass a photo through an Intent?

What are the implementations of lists in Android?

Can an enumeration serve as a constraint for permissible states in a system?

How is navigation implemented in Android applications?

What is the difference between the add and replace methods?

How would you write an extension in Java?

What do collisions in HashMap affect?

How many threads are used by default in Dispatchers.Unconfined when working with coroutines?

Junior — Middle

Wildberries

Can you name the main keywords in Kotlin that are absent in Java?

How difficult is it to solve problems related to main thread overload?

What is the difference between the add and replace methods?

Where would you look for reasons for slow cold start of an application?

What are the methods used for data transfer between applications?

When should you re-initialize the effect launched by LaunchedEffect in Compose?

Can you explain the principle of Serializable isolation level in database transactions?

Junior — Middle

Ozon Fresh

What methods have you used to test Coroutines in projects?

How to programmatically prevent the creation of an object of this class?

Can you tell about the most significant projects or tasks you have implemented recently?

List the methods of the Object class or Any in Kotlin programming language.

What do you consider bad in code and what would you like to replace immediately?