41. Which of the following is the correct way of declaring objects for class Book in Kotlin?
42. Which of the following listed view hierarchies is not valid?
43. What is the correct way to create an ArrayList in Kotlin?
44. Which is a valid function declaration in Kotlin?
45. What is the correct way to declare a variable of integer type in Kotlin?
46. What is the correct syntax to convert the String "42" to a Long in Kotlin?
47. What does this code do?
foo()()
foo()()48. What value is printed by println()?
val set = setOf("apple", "pear", "orange", "apple")
println(set.count())
val set = setOf("apple", "pear", "orange", "apple")
println(set.count())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")
}
data class Project(var codeName: String, var version: String)
fun main(){
val proj = Project("Chilli Pepper", "2.1.0")
}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)
}
fun main() {
val highScores = listOf(4000, 2000, 10200, 12000, 9030)
}Read More Section(Kotlin Program)
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