Android

How can a message be acquired in the main thread using Handler and Looper?

How can data be exchanged between two windows in an Android application?

In which data structure does the Looper store messages received through Handler?

Junior — Middle

Ozon Fresh

Can you list the main types of messages that the system sends to a manager or administrator?

How can you add and display a Fragment in an Activity in Android?

Why is it important to specify key components in the application manifest?

How does the map function in Kotlin differ from similar methods and how is it used to transform collection elements?

Junior — Middle

Яндекс

Which access modifier in Java is absent in Kotlin?

Have you had experience working with execution threads in applications?

What happens in the system if the Heap memory area is completely exhausted?

What difficulties may arise when implementing the Singleton pattern through serialization?

Can you describe specific tasks you have worked on in your professional activity?

Is it possible to preserve the state of a ViewModel after the application process ends?

Junior — Middle

ПромсвязьбанкПСБ

Have you applied the principles of Model-View in your projects?

How is data passed to method parameters in Java?

What methods can be used to manage the updating of data display or the state of the user interface in mobile or web applications?

Junior — Middle

amoCRM

What communication protocol is used for data transfer in gRPC?

What is the difference between creating a deep copy of an object and a shallow copy?

Junior — Middle

СБЕР

How was modularity achieved in the system implementation from a technical perspective?

What field of study did you pursue in university?