Answer / Rajmala

Yes, Kotlin allows you to create an array without initializing all elements using the 'arrayOfNulls()' function. For example: val arr = Array(3) { null }

List down some kotlin data class built in methods?

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What are the modifier available in Kotlin ?

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What are the advantages and disadvantages of Kotlin?

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What is nested class in Kotlin?

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What are the types of strings available in Kotlin? And, what do you mean by Kotlin String Interpolation?

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How does string interpolation work in Kotlin? Explain with a code snippet?

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What is the difference between const vs val?

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What is the use of any() function?

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Define step() function in Kotlin?

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Why you should switch to Kotlin from Java?

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Give example to declare variable using both val and var in Kotlin?

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What are the disadvantages of kotlin?

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