Android

What are the differences between HashSet and TreeSet collections in Java in terms of properties and usage?

What is the purpose of a class declared with the sealed modifier?

Junior — Middle

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What is the role of layers in structuring Clean Architecture?

What approaches exist for passing information between screens in an application?

What is a closed interface and what is its role in defining contracts in code?

What types of collections implementing the List interface are used in Kotlin, and how do they differ from each other?

What implementation methods of the Set interface are available in Kotlin and how do they differ?

In what cases is it advisable to use the HashSet data structure?

What are the advantages and disadvantages of direct relationships with the Repository in application architecture?

Do you have experience using the RecyclerView component in Android?

Junior — Middle

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Can you list the main components in the Data layer of the Clean Architecture?

How can you implement concurrent execution of multiple tasks using coroutines?

Can you describe the main types of relationships between components in MVVM architecture?

What limitations exist for the bundle technology package?

Junior — Middle

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What are the main disadvantages of RecyclerView that can negatively affect application performance?

How is null value compatibility ensured between Java and Kotlin?

Explain what it means to restrict an interface using the 'sealed' keyword in Java or similar languages.

Can you give an example where you applied sealed interface in your development and how it affected the architecture or flexibility of the project?

Can you explain what a RecyclerView component in Android is and how it works?

Junior — Middle

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Can you explain how the HashMap data structure is implemented and how it provides fast access to elements?

Junior — Middle

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