Câu hỏi phỏng vấn Kotlin
Câu hỏi

What are the advantages of Kotlin over Java?

Câu trả lời

Here are the key advantages of Kotlin over Java:

  1. Conciseness and Readability: Kotlin code is more concise and expressive, reducing boilerplate code. Its clean and intuitive syntax makes it easier to read and maintain[1][3][4].

  2. Interoperability with Java: Kotlin is fully interoperable with Java, allowing developers to use existing Java libraries and frameworks seamlessly. This makes it a smooth transition for Java developers[1][3][4].

  3. Null Safety: Kotlin has built-in null safety features that help prevent null pointer exceptions. The type system distinguishes between nullable and non-nullable types, reducing the chances of runtime errors[3][4][5].

  4. Extension Functions: Kotlin allows adding new functions to existing classes without modifying their source code. This feature, known as extension functions, enhances code readability and promotes a more modular design[3][4].

  5. Coroutines: Kotlin supports coroutines, a powerful tool for asynchronous programming. Coroutines simplify the handling of concurrent tasks, making it easier to write efficient and readable ...

middle

middle

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middle

What is lateinit in Kotlin and when would you use it?

expert

When to use and do not use an inline function in Kotlin?

senior

Provide a real use case when inline classes may be useful

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