Android

What is an anonymous class?

What bytecode is generated for declaring a companion object in Kotlin when compiling into a Java project?

What is the difference between using the 'lateinit' keyword and delegation with 'by lazy {}' in Kotlin?

In which cases is it preferable to use a sealed class instead of an enum in Kotlin?

How can the behavior of a method in a class created based on another class be changed?

Junior — Middle

amoCRM

What collections exist in Java?

Is lazy a thread-safe construct?

What is the TransactionTooLargeException exception?

How can an error be displayed in the View based on data received from LiveData?

Junior — Middle

Яндекс

What methods and ways have you learned to work with the Android platform?

How do you ensure the accessibility of objects from a parent component in an Activity?

What methods exist to improve code efficiency and cleanliness in Kotlin?

How is null safety ensured in Kotlin and how is it implemented in practice?

Tell about your experience using generics in projects.

What are the equivalents of the Hilt library for dependency injection in Android?

What collections in Kotlin do you know and which ones have you worked with?

Have you ever used Service in Android?

How would you extend TextView using some method?

What are the methods of connecting a client application to a server over a network?

When a single physical core executes two threads, will this happen synchronously or in parallel?