Thách thức mọi câu hỏi phỏng vấn Kotlin dành cho lập trình viên

May you briefly compare Kotlin vs Java?

What is the difference between const and val ?

How would you create a singleton with parameter in Kotlin?

What is the Kotlin double-bang !! operator?

val mutableList vs var immutableList . When to use which in Kotlin?

What is the idiomatic way to deal with null able values, referencing or converting them?

What are coroutines in Kotlin?

How are extensions resolved in Kotlin and what doest it mean?

Why would you use apply in Kotlin?

What is the equivalent of Java static methods in Kotlin?

May you use IntArray and an Array is in Kotlin interchangeably?

What is a difference between a class and object in Kotlin?

Explain the null safety in Kotlin

What is suspending function in Kotlin?

What is the difference between suspending vs. blocking?

What are the advantages of Kotlin over Java?

What is the difference between List and Array types?

What is a purpose of Companion Objects in Kotlin?

How is it recommended to create constants in Kotlin?

What is the difference between open and public in Kotlin?

What are scope functions in Kotlin?

What are some disadvantages of Kotlin?

Explain advantages of when vs switch in Kotlin

What is the purpose of Unit-returning in functions? Why is VALUE there? What is this V ALUE ?

Explain lazy initialization in Kotlin

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

When would you use Elvis operator in Kotlin?

When to use lateinit over lazy initialization in Kotlin?