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Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications

Ace your competitive exams, technical interviews, and certifications with these Kotlin programming MCQ questions. Perfect for Android developers and software engineers to test their Kotlin skills and knowledge. Page-5 section-3

Each section contains 100 MCQs on Kotlin Program .
41
Which of the following is the correct way of declaring objects for class Book in Kotlin?
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
42
Which of the following listed view hierarchies is not valid?
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Answer & Solution
Answer: Option C
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43
What is the correct way to create an ArrayList in Kotlin?
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Answer & Solution
Answer: Option D
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44
Which is a valid function declaration in Kotlin?
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Answer & Solution
Answer: Option A
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45
What is the correct way to declare a variable of integer type in Kotlin?
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Answer & Solution
Answer: Option A
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46
What is the correct syntax to convert the String "42" to a Long in Kotlin?
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Answer & Solution
Answer: Option D
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47
What does this code do?
foo()()
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Answer & Solution
Answer: Option C
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48
What value is printed by println()?
val set = setOf("apple", "pear", "orange", "apple")
println(set.count())
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Answer & Solution
Answer: Option A
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49
How can you retrieve the value of the property codeName without referring to it by name or destructuring?
data class Project(var codeName: String, var version: String)
fun main(){
  val proj = Project("Chilli Pepper", "2.1.0")
}
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
50
You would like to print each score on its own line with its cardinal position. Without using var or val, which method allows iteration with both the value and its position?
fun main() {
  val highScores = listOf(4000, 2000, 10200, 12000, 9030)
}
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Answer & Solution
Answer: Option A
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