Android

What is the difference between a regular method and an extension method in Kotlin?

How to implement the Singleton pattern in Java?

Junior — Middle

Т-Банк

How can logging be implemented when using Retrofit and OkHttp for network requests?

Junior — Middle

Совкомбанк

Have you worked with semaphores in your practice?

Is it possible to get a NullPointerException in Kotlin?

How are animations implemented in RecyclerView?

What resources are available in Android and what data can be stored in them?

How difficult is it to solve main thread overload problems in Android?

How do async and await constructs work in the programming language used for Android app development?

Is it always possible to automatically delete an object if there are only strong references to it?

Can the main characteristics of the Activity component's lifecycle in Android be listed?

What difficulties have you encountered in your projects?

Can you name access modifiers in Kotlin that are absent in Java?

What experience do you have in developing native solutions for implementing network requests on the Android platform?

Have you had experience developing personal projects using the principles of clean architecture?

What are the differences between nested classes and inner classes in Java?

Have you used Jetpack components in your projects?

How to determine that a class is a subclass of another class?

What is the most economical format of a graphic file?

In what cases is inline usage impossible or impractical?