LinkedIn Kotlin

   linkedin Kotlin assessment

You have an enum class Signal that represents the state of a network connection. You want to print the position number of the SENDING enum. Which line of code does that?

enum class Signal { OPEN, CLOSED, SENDING }

• println(Signal.SENDING.position())
• println(Signal.SENDING.ordinal)
• println(Signal.SENDING.hashCode())
• println(Signal.SENDING)

linkedin Kotlin assessment answers

You have an enum class Signal that represents the state of a network connection. You want to iterate over each of the member of the enum. Which line of code shows how to do that?

• Signal.toArray()
• Signal.values()
• Signal.toList()
• Signal.sequence()

linkedin Kotlin for java developers

What is wrong with the class definition below?

class Empty

• The class is properly defined, so nothing is wrong with it.
• Empty is a Kotlin keyword, so the code will generate an error when compiled.
• The parentheses are missing—it should be declared as class Empty().
• The curly braces are missing from the declaration of Empty.

Kotlin linkedin assessment answers

An error is generated when you try to compile the following bit of code. How should you change the call to printStudents to fix the error?

fun main() {

    val students = arrayOf("Abel", "Bill", "Cindy", "Darla")

    printStudents(students)

}

fun printStudents(vararg students: String) {

    for (student in students) println(student)

}

• printStudents(students!!)
• printStudents(students[])
• printStudents(*students)
• printStudents(students.toList())

Kotlin essential training linkedin

What is the entry point for a Kotlin application?

• fun static main(){}
• fun Main(){}
• fun main(){}
• public static void main(){}

   Kotlin linkedin assessment

    linkedin Kotlin test

    linkedin learning Kotlin